Stone Factory Machines

Manual Polishing Machine -Arm Polishing Machine

$3,000 - $3,300

Type: Stone Factory Machines › Stone Surface Processing Machines › Arm Polishing Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Onyx, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

This machine uses round column as its guide slip surface for steady automatic lifting up and down. The machine is applicable to plane grinding and polishing of slabs with greatly various thickness, tombstones, and stone with design. The worktable can be selected for grinding crafts camber inside and outside.

Stone CNC Router Marble Granite Tombstone Headstone Engraving Machine

$13,200 - $14,300

Type: Stone Factory Machines › Stone Finishing, Profiling Machines › Stone Carving,Engraving Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Slate, Onyx, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

3 Axis Stone Engaving Machine - Precision Meets Efficiency for Global Artisans In the era of pursuing ultimate craftsmanship and creativity, our 3-Axis Stone Engraving Machine brings endless possibilities to your artistic creations. Our machine is equipped with China's top-tier Weihong NcStudio CNC system and software, ensuring high precision, high efficiency, and stability. Whether it's complex engraving patterns or fine detail processing, our equipment can handle it with ease, perfectly presen

5 Axis Bridge Cutting Machine - High-Precision Cutting For Stone

$31,320 - $31,950

Type: Stone Factory Machines › Stone Slab Cutting Machines › CNC Bridge Cutting Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Slate, Onyx, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

5 Axis CNC Bridge Saw The machine is an integrated five-axis bridge cutting machine, for the different specifications of the plateand a variety of special-shaped copying processing(such as polygon, triangle, fan, countertop, oval,diamond, circle, rim of horse's belly, chamfer at anyangle, special-shaped copying and engraving). lt has the advantages of fast speed, high cutting precision, simple and intelligent operation, suitable for cutting slab, marble, granite, quartz stone, and other stone pr

Bridge Type Single Head Polisher Machine

$13,800 - $19,000

Type: Stone Factory Machines › Stone Surface Processing Machines › Single Head Polishing Machine

Warranty: 12 Months

Usage: Granite, Marble

Machinery Function Features:

A bridge-type single-head polisher machine is a type of stone polishing machine that uses a single polishing head mounted on a bridge structure to grind and polish thick slabs. The bridge structure allows the polishing head to move freely over the entire surface of the slab, ensuring even and consistent polishing. Improve efficiency, reduce costs, and choose the right polishing machine To make your stone processing easier and more efficient, our new granite and marble automatic polishing machine

Manual Small Stone Strip Cutting, Edge Trimming Machine

$6,900 - $7,500

Type: Stone Factory Machines › Stone Tile Cutting Machines › Strip Cutting,Edge Trimming Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Slate, Onyx, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

TSY-MW 50/52 Skystone Multi Wire Saw Machine With CE Certification

$9,999,999

Type: Stone Factory Machines › Stone Block Cutting Machines › Multi Wire Saw Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Quartzite, Sandstone, Travertine

Machinery Function Features:

The latest triangle structure technology, higher cutting efficiency, and the stability of running. Designed by the man-machine intelligent system, convenience for operate, and has the full function of perfect production safety. Matching use Skystone multi-wire saw, with the high cutting quality, long life of wire, improve production efficiency and reduce comprehensive cost input. The machine has the advantages of low energy consumption, high versatility of accessories and low comprehensive cost

Horizontal Composite Slab Bandsaw Splitting Machine

$7,800

Type: Stone Factory Machines › Stone Tile Cutting Machines › Strip Cutting,Edge Trimming Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Slate, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

This is a basic and efficient machine for producing thin marble or granite or other composite slabs. The band saw blades or diamond wire is used in conjunction with the automatic convey feeding belt to make the horizontally slicing of the slab, with easy, smoothly and high efficiency. This machine is designed to split the slab into thin tiles, and widely used to produce ultra-thin marble composited tiles. The worktable can feed automatically and its speed can be adjustable and flexible.

SQ-600 Hand Pulling Edge Cutting Machine- Strip Cutting Machine

$7,000 - $7,900

Type: Stone Factory Machines › Stone Tile Cutting Machines › Strip Cutting,Edge Trimming Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Onyx, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

SQ-600 can operate flexibly and conveniently, with a rotating worktable, suits for cutting tombstone and floor stone.

Wholesale Spreader Bar F

$355 - $375

Type: Stone Factory Machines › Stone Handling, Loading Machines › Jib Arm/U Type Container Loader

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Slate, Onyx, Artificial Stone

Machinery Function Features:

Wholesale Spreader Bar F

Single Arm Four Pillars Hydraulic Block Cutter - DFD-D12/16/18/22

$20,000 - $25,000

Type: Stone Factory Machines › Stone Block Cutting Machines › Single Arm Block Cutting Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Onyx, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

Hydraulic Block Cutter is used to cut blocks into boards of different thicknesses. The machine has a simple structure but powerful functions. The main body is cast as a whole, with high precision and small deformation, which improves assembly accuracy and ensures the stability and cutting accuracy of the machine. It effectively reduces shaking during cutting, ensuring high cutting efficiency, low consumption of diamond blades, and high flatness output. At the same time, the machine adopts an oil

Gangsaw Blade Welding Machine

$3,000 - $5,000

Type: Stone Factory Machines › Stone Handling, Loading Machines › Stone Tools Machinery

Warranty: 12 Months

Usage: Granite, Marble

Machinery Function Features:

Gangsaw Blade Welding Machine

Bridge Type Automatic Infrared Edge Cutting Machine

$33,000 - $36,000

Type: Stone Factory Machines › Stone Slab Cutting Machines › Infrared Bridge Cutting Machine

Warranty: 12 Months

Usage: Granite, Marble

Machinery Function Features:

Machine parts using high-quality steel seiko manufacturing, Electric control parts adopt advanced imported components assembly precision, Beam protection device, and is equipped with touch-based operating system, so with the advantages of high precision, high stability, high efficiency, easy operation, etc. Especially suitable for the high value of large specifications granite, marble slab production.

4 Axis Marble Router Equipment Stone Column CNC Carving Machine

$19,800 - $21,000

Type: Stone Factory Machines › Stone Finishing, Profiling Machines › Stone Carving,Engraving Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Slate, Onyx, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

HUALONG 4-Axis Dual-Head Stone Engraving Machine Precision Craftsmanship for Columns, Slabs & Monuments Key Features ✅ 4-Axis Column Carving + 3-Axis Slab Engraving - 4-Axis Mode : Full-rotation processing for classical pillars (Ø100-800mm) with ±0.03° angular precision - 3-Axis Mode : Large-format engraving platform (2300×1300×300mm) for reliefs and inscriptions ✅ Intelligent Dual-Tool Management - Console-Driven Transition : Automated blade retraction → Operator clearance check → Spindle posit

Stone Column Balustrade Cutting Profiling Machine

$9,000 - $12,000

Type: Stone Factory Machines › Stone Finishing, Profiling Machines › Column, Balustrade Lathe Machine

Warranty: 12 Months

Usage: Granite, Marble

Machinery Function Features:

A Stone Column Balustrade Cutting and Profiling Machine is a specialized piece of equipment designed to accurately cut and profile stone columns and balustrades. This machine is essential for creating detailed and complex designs in stone for architectural and decorative purposes. Here are some key aspects of this type of machine: Key Features: Precision Cutting and Profiling: Capable of producing intricate designs and profiles with high accuracy. CNC Technology: Often equipped with Computer Num

Precision CNC Stone Machining&Work Center

$18,800 - $21,000

Type: Stone Factory Machines › Stone Finishing, Profiling Machines › CNC Working Center

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Slate, Onyx, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

Stone work center is a set of trepanning, edging, polishing, milling groove inone of the panel processing equipment. The whole machine 18 knives library automatic intelligent knife change, designed to solve the kitchen countertop, bathroom countertop, stone tabletop and other production process of high-end technologytime-consuming, laborious, high cost problems. Widely used in granite, marble, rock plate, quartz, ceramic composite materials and so on.

45 Degree Cutter Split Corner And Flat Veneer Saw Stone Machine

$18,000 - $20,500

Type: Stone Factory Machines › Stone Tile Cutting Machines › Strip Cutting,Edge Trimming Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Slate, Onyx, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

Veneer Saws are designed with unique v-structured cutting surface to cut thin stone veneer flats and 90-degree corners simple, efficient and profitable. It provides high accuracy cutting of thin layers of split-face or natural finished block of granite, marble, sandstone, limestone or bircks This stone veneer sawing machines is an essential equipment for fabricators of decorative stone facing materials.

Oil Immersed Edge Cutting Machine

$4,400 - $4,800

Type: Stone Factory Machines › Stone Tile Cutting Machines › Strip Cutting,Edge Trimming Machine

Warranty: 12 Months

Usage: Granite, Marble

Machinery Function Features:

This machine stand uses the overall square tube with the novel structure and small clearance in each position. The beam and column design as an integrated body. So it greatly reduces the machine vibration and increased the cutting accuracy and efficiency.

Manual Arm Polishing Machine For Granite Marble Slabs

$1,600 - $2,900

Type: Stone Factory Machines › Stone Surface Processing Machines › Arm Polishing Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Onyx, Basalt, Sandstone, Travertine

Machinery Function Features:

Introduction： This machine features a round column as its guide slip surface, ensuring stable automatic vertical movements. Clients can choose between two main drive motors: a single-speed or a dual-speed option. It is suitable for surface grinding and polishing of tombstones, slabs, and mosaics, especially where frequent thickness adjustments are necessary. Additionally, a workable for grinding interior and exterior arcs is available upon customer request. Features: Low cost: In the early days

Stone Balustrade CNC Carving Profiling Router Machine For Granite And Marble

$19,400 - $19,900

Type: Stone Factory Machines › Stone Finishing, Profiling Machines › Column, Balustrade Lathe Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Slate, Onyx, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

Product Description This machine uses a high-power, high-torque 5.5KW water-cooled electric spindle. Imported four-row steel balls, widened linear guide rails, self-lubricating blocks, equal force in all directions during engraving, ensuring mechanical precision and strength. It can process multiple heads at the same time, greatly improving processing efficiency. It can be used for stone column engraving, figure engraving, animal engraving, etc. It can engrave various exquisite patterns and text

Circular Saw Blade Welding Machine

$4,000 - $5,000

Type: Stone Factory Machines › Stone Handling, Loading Machines › Stone Tools Machinery

Warranty: 12 Months

Usage: Granite, Marble

Machinery Function Features:

Circular Saw Blade Welding Machine 280-900mm Saw Blade Welding 800-1600mm Saw Blade Welding 800-2200mm Saw Blade Welding 800-3500mm Saw Blade Welding

Hydraulic Cubes And Stone Slicing Splitting Machine

$7,300 - $7,500

Type: Stone Factory Machines › Stone Tile Cutting Machines › Hydraulic Stone Splitting Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Artificial Stone, Basalt, Sandstone, Travertine

Machinery Function Features:

Cube stone splitter machine has an automatic conveyor mechanism, suitable for the process of processing long stone strips that have been sawn and need to be fed continuously into square blocks of stone.Natural stone splitting machine designed with hydraulic drive, it can split square paving stones into cubes or blocks with antique appearance. Stone splitting machine is an efficient machine for producing cubic paving stone and stone veneer panels.

CNC 5 Axis Stone Cutting And Milling Machine Bridge Saw For Marble

$35,500 - $37,500

Type: Stone Factory Machines › Stone Slab Cutting Machines › CNC Bridge Cutting Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Slate, Onyx, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

1)5 axis linkage control with CNC control system. 2)Easy to use interface with 17" color touch-screen. 3)The machine is equipped with an industrial computer, embedded touch screen, supports CAD file import. 4)The machine adopts integrated structure, the frame and beam are welded by high-quality carbon steel plate and profiles, solid and reliable, high stability. 5)The X-axis lateral movement adopts servo motor + high-precision planetary reducer + linear guide rail, and then with high-precision h

SQ/PC-1300 Automatic Special Shapes Profiling Cutting Machine

$8,000 - $18,000

Type: Stone Factory Machines › Stone Tile Cutting Machines › Multi-Blade Cross-Cutter,Trimming

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Quartzite

Machinery Function Features:

SQ/PC-1200(1300) automatically tracks model of curve(straight) line through the fibre optic probe, automatically profiles through diamond circular saws to cut stone with curve(straight) line and craft products, uses the inverter to control up-down rising and left-right feeding, adjusts the speed according to the stone material. If choosing a rotating worktable, the processing of arc-shaped lines can be done. This machine adopts the PLC system, high degree of automation, high precision cutting; u

Custom Spreader Bar G & H

$205 - $225

Type: Stone Factory Machines › Stone Handling, Loading Machines › Jib Arm/U Type Container Loader

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Slate, Onyx, Artificial Stone

Machinery Function Features:

Custom Spreader Bar G & H

Auto-Follow Round Table Stone Shape Edge Grinding Polishing Machine

$5,000 - $5,200

Type: Stone Factory Machines › Stone Finishing, Profiling Machines › Edge Profiling, Polishing Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Slate, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

Auto-Follow Round Table Edge Grinder Compact & Intelligent Solution for Luxury Stone Furniture A game-changing edge grinder specializing in luxury round tables & irregular countertops. With satellite rotary speed control + constant-pressure system, it masters curved edge processing of marble, sintered stone, and exotic slabs. 60% faster ROI in 5㎡ workspace – the ultimate flexible upgrade for SMEs. Core Advantages 🔥 【Auto-Follow Precision】 Real-time edge tracking | Single-pass shaping for round/o

Automatic Slabs Loader Unloaded Machine

$3,000 - $5,000

Type: Stone Factory Machines › Stone Handling, Loading Machines › Automatic Loader, Unloader for Slabs

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Slate, Onyx, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

Introduction of Automatic Slabs Loader Unloaded Machine Automatic Slabs Loader Unloaded Machines are mainly for automation products with high labor costs, and difficult, safe, and efficient construction. The product is mainly pneumatically lifted and joined with a vacuum chuck. A fully automatic upper plate machine and lower plate equipment, the main supporting equipment, can be equipped automatic polishing machine. automatic machine and automatic grinding roadside machine to form an integrated

Bridge Type Multi Heads Stone Polishing Machine

$18,000 - $21,000

Type: Stone Factory Machines › Stone Surface Processing Machines › Bridge Polishing Machine for Slabs

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Onyx, Quartzite, Sandstone, Travertine

Machinery Function Features:

Multi heads Stone Polishing Machine is a CNC-controlled machine with integrated structure for higher stability and easier installation. Stable and precise Segmented lifting, ball screws, linear guides, and constant speed motors are used to ensure high precision and stable thickness adjustment. The lift function of the pneumatic head ensures the stability of the polishing pressure. Multi-station design The machine has a multi-station design, which can handle several stones of different sizes at t

Stone Tile Edge Cutting Machine

$3,000 - $6,000

Type: Stone Factory Machines › Stone Tile Cutting Machines › Strip Cutting,Edge Trimming Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Slate, Artificial Stone, Sandstone, Travertine

Machinery Function Features:

Introduction The design of the integration mode of operation is specifically tailored for easy and highly efficient processing of edge cutting and trimming for small slates, slabs, laths, and even thick tiles. Features The cutting head can rotate from 0 to 90 degrees and can be moved up and down electrically. The workbench is manually operated. The machine boasts a strong construction, stable performance, and an attractive appearance. The cutting head can perform 45-degree tilting cuts.

Wire Roller Used In Thin Wire Saw Block Cutting Machine Multiwire

$750 - $860

Type: Stone Factory Machines › Stone Block Cutting Machines › Multi Wire Saw Machine

Warranty: 3 Months

Usage: Granite, Marble, Limestone, Slate, Onyx, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

Remark: Other specifications are available upon request.

Middle Block Cutting Machine - Infrared Bridge Cutting Machine

$16,000 - $18,000

Type: Stone Factory Machines › Stone Slab Cutting Machines › Infrared Bridge Cutting Machine

Warranty: 12 Months

Usage: Granite, Marble

Machinery Function Features:

This machine is with single-cylinder sliding plate structure, it can adjust the wear space, lift up and down speed fast and stable. It's suitable for cutting thick slabs, and paving stones.

5.3/6.3/7.3Mm Multi Wire Machine With High Efficiency/Good Quality

Type: Stone Factory Machines › Stone Block Cutting Machines › Multi Wire Saw Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Quartzite

Machinery Function Features:

The latest triangle structure technology, higher cutting efficiency, and the stability of running. Designed by the man-machine intelligent system, convenience for operate, and has the full function of perfect production safety. Matching use Skystone multi-wire saw, with the high cutting quality, long life of wire, improve production efficiency and reduce comprehensive cost input. The machine has the advantages of low energy consumption, high versatility of accessories and low comprehensive cost

5 Axis CNC Bridge Saw Stone Cutting Machine

$28,500 - $32,500

Type: Stone Factory Machines › Stone Slab Cutting Machines › CNC Bridge Cutting Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Slate, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

This series of models are suitable for slab, tile, marble, artificial stone, granite, cement products and other building materials of special-shaped edge or multi-function cutting, is the most suitable for special-shaped cutting factory deep processing equipment. This machine is a multi-functional intelligent CNC bridge stone cutting machine, operating system is my company in the import of five axis CNC on the basis of the development of their own, simple and easy to learn, to solve the problem

High-Production Duplex CNC Carving System

$8,000 - $8,200

Type: Stone Factory Machines › Stone Finishing, Profiling Machines › Stone Carving,Engraving Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Slate, Onyx, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

Functional Characteristics of Dual-Head Engraving Machines A dual-head engraving machine is an efficient CNC device with two collaborative or independent engraving heads, widely used in woodworking, stone, metal, acrylic, and advertising fields. Its core features focus on efficiency, versatility, and precision: I. Core Operation Modes Independent Work: Two heads can use different tools/parameters to process the same or different workpieces simultaneously (e.g., one cutting contours, the other ca

CNC Bridge Saw Machine, CNC Bridge Cutting Machine

$15,000 - $28,000

Type: Stone Factory Machines › Stone Slab Cutting Machines › CNC Bridge Cutting Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Slate, Onyx, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

HQC-450-600-700, adopting PLC system and Human-machine interface, togethering with ultra-high precision rotary encoder positioning and infrared device, with Chinese & English double operation language, using inverter to control leftright feeding,adjusting the speed according to stone material, using hydraulic lifting system which equipted through 4 guide post, also this machine provide the unique side beam protection device, main spare parts adopt imported high-quality materials. Thus the whole

5 Axis CNC Cutter Bridge Saw Cutting Machine For Granite Marble

$45,000 - $55,000

Type: Stone Factory Machines › Stone Slab Cutting Machines › CNC Bridge Cutting Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Slate, Onyx, Artificial Stone, Basalt, Quartzite, Sandstone

Machinery Function Features:

JOBORN CNC450-5 five-axis CNC bridge cutting machine, adopts industrial computer and is equipped with Windows system, which can realize manual programming or PC programming and other programming methods to automatically complete processing operations. Cutting, grooving, countertop processing, special-shaped processing, etc. can be performed.The structure adopts an integral steel frame, which has been treated with stress relief in multiple processes, and has a stable structure, easy installation

Quartz Slab Small Granite Stone Edge Polishing And Profiling Machine

$32,300 - $32,800

Type: Stone Factory Machines › Stone Finishing, Profiling Machines › Edge Profiling, Polishing Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Slate, Onyx, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

Product Description This intelligent numerical control equipment integrates a dynamic power regulation system and an adaptive control algorithm. Through multi-axis linkage technology, it achieves high-speed and precise processing at a speed of 4 meters per minute. Its core advantages are reflected in the three-layer compound architecture: Firstly, it adopts a modular memory storage unit, which can preset more than 20 sets of process parameters and realize one-click invocation; Secondly, it is eq

Multi-Blade Mosaic Thin Tile Cutting Machine

$7,000 - $8,000

Type: Stone Factory Machines › Stone Finishing, Profiling Machines › Mosaic Cutting Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Slate, Onyx, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Automatic Stone Grooving Machine

$4,200 - $12,000

Type: Stone Factory Machines › Stone Surface Processing Machines › Stone Grooving Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Slate, Onyx, Artificial Stone, Basalt, Quartzite, Sandstone, Travertine

Machinery Function Features:

The automatic stone Grooving Machine is a special equipment used to process the blind texture on the stone surface. It polishes the stone surface through the high-speed rotating brush wheel or blade, to form the concave-convex texture with anti-skid property and blind guide function. This machine is widely used for cutting grooves on stone surfaces, such as blind road stones, road paving stones, plaza paving stones, etc.

CNC Edge Grinding And Edge Profiling Machine For Stone Marble Granite

$10,500 - $11,000

Type: Stone Factory Machines › Stone Finishing, Profiling Machines › Edge Profiling, Polishing Machine

Warranty: 12 Months

Usage: Granite, Marble, Limestone, Sandstone

Machinery Function Features:

Product Description Automatic Super 13 heads Edge Grinding Processing machine Marble Granite The machine has variable frequency speed regulation, automatic refueling, and maintenance, digital display after abrasive loss, which is convenient for operators to make electric compensation. 4.5kW, No. 5, 6, 7, 8, 9 motors 3kW (No. 3-9 motors stand upright, the bottom is flat and polished, the front side of the movable stone is processed with a corner line, and the edge groove is polished), the back of