CHUNG-TAI HARD METAL INDUSTRIAL CO., LTD set up in 1972 and is the professional manufacturer specializing in producing tungsten carbide products and tools for Tile. http://www.cthmi.com.tw/

We equip from American vacuum high temperature sintering furnace and Japanese powder forming machine to manufacture and sinter the super-hard tungsten carbide products. Besides, we are well-equipped with high temperature and high pressure welding facility. Under the consistent manufacturing process, we braze the sharp tungsten carbide grits on the hole saw and file to be used each for hole boring and shape smoothing most masonry or ceramic tile or concrete block etc..

The Tungsten Carbide Grit Hole Saw & File that we produce are with very high strength and excellent quality which is in compliance with the requirements of German GS certification. We are a high quality manufacturer who is worth for you to reply on!