Henan Zhong Mei Drilling Co., Ltd., which is a joint-venture enterprise, specializes in drilling tools,integrating research& development, production, marketing, and sincere service. Our company is located in Jintai Industrial Zone, Guancheng District, Zhengzhou City, Henan Province, China, The main products of our company include 6 series and 80 kinds: Diamond products,tungsten carbide products,PDC Bit,PDC Core bit,coal bit,anchor bit,coal cutter picks,integral drill rod,taper drill rod,chisel bit,cross bit,button bit,impregnated diamond bit,reaming shells,surface set diamond bit,rock roller bit,tricone bit,steel tooth tricone bit,tci tricone bit,DTH Hammer and bit.