We goal to see good quality disfigurement within the manufacturing and provide effective support to domestic and overseas shoppers wholeheartedly for API TCI bit 16″ for oil well, button bit for gas drilling, rock drilling bits iadc637, pdc rock bit,rock drill bit. Together with our efforts, our products have won the trust of customers and been very salable both here and abroad. The product will supply to all over the world, such as Europe, America, Australia,Colombia, British,British, Seychelles.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.