We goal to understand excellent disfigurement from the manufacturing and supply the top support to domestic and abroad clients wholeheartedly for Drill Bit For Granite Stone, Micro Tunnel Boring Machine, Multi Boring Machine, Largest Tbm,Contiguous Bored Pile. We just not only provide the high quality to our customers, but more even important is our best service and the competitive price. The product will supply to all over the world, such as Europe, America, Australia,Belarus, Albania,Melbourne, Algeria.More than 26 years, Professional companies from all over the world take us as their long-term and stable partners. We are keeping durable business relationship with more than 200 wholesalers in Japan, Korea, USA, UK, Germany, Canada, France, Italian, Poland, South Africa, Ghana, Nigeria etc.