Zhongzhoudadao, Zhengzhou, Henan, China,450004
Henan Zhongmei Drill Tool Co., Ltd., which is a joint-venture enterprise, specializes in drilling tools, integrating research& development, production, marketing, and sincere service. Our company located Jintai Industrial Zone, Guancheng District, ...
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 rol