Yixinda Manufacturing & Trading Co.,Ltd is a professional supplier of various kinds of drilling bits which cover PDC drill bits, electroplated diamond core drill bit, impregnated diamond core drill bit, DTH hammer drill bit,button bit,tricone drill bit. Our products are widely used for early drilling construction in the fields of mines, geological exploration, wells, engineering anchoring, building engineering, water conservancy engineering, tunnels, bridges, railways, highways, subways, etc.Over 20years' development, we have built up a professional team and advanced facilities for product research, manufacturing, quality assurance, supply chain management and custom sevice, which ensure we can supply our customer with quality product at competitive price. And due to our products of good quality, favorable price, fast delivery and good service, our products are well-sales in East-south Asia, South Asia, Middle east, Europe, Africa and America.We adhere to "the customer first", we are committed to offer our customers the products of "the same performance, better price; the same price, better performance".