Guiyang Yuanshan Drilling Equipment co,.ltd is one of CN\\\'s leading supplier and exporter drilling tools for petroleum, mineral exploration,and water well construction,which aresuitable use in a wide range geological formations, from soft silts soils to the hardest rocks. YSDRILLING ...
Telephone:86 - 0851 - 6585686
Address:No.223,shibei road Guiyang Guizhou 550009 China
Mudanjiang Dongxu Machingery Co., Ltd is a specially appointed supplier to China National Petroleum Corporation (CNPC) and Chemical (SINOPEC CORP) in the drilling tools, production tools fittings. Our corporation has passed ISO 9001:2000 standard quality system authentication??and ...
Telephone:86 - 0453 - 6290769
Address:No. 5, Dongxu 2 Street 竊�Mudanjing City,Heilongjiang Province,China Mudanjiang Heilongjiang 1570011 China