Tengda international

We are the diamond beads/wires supplier in China, Our beads can fit complex situation, for example like: heavy duty concrete, steel, copper... The working efficiecy will be much faster and longer working life then normal vacuum brazing beads. 

We use advanced vacuum brazing technology, and the diamond will not easily fall off. We had many good reponses from our USA customer. 

Here is our tested result for different materials: