Chengdu Weiyi Petroleum Technology Co., Ltd., established on 2013-10-14, The business scope includes drill bits for drilling engineering,Technical development of downhole tools and other mine machinery products,technical consulting,commissioned design,Technical service and technology transfer;Superhard material products,Components of superhard materials,Powder metallurgy material products,Technical development of welding materials,technical consulting,commissioned design,Technical service and technology transfer;Technical development of experimental testing equipment,technical consulting,commissioned design,Technical service and technology transfer;Rock breaking tool research institute involves experimental testing technology consultation and technical services;Technical development of rubber and plastic materials,technical consulting,Technical service and technology transfer;Software development and maintenance;Domestic and foreign trade agency;Sales:Drill bits and parts for drilling engineering,Downhole Tools and Parts;Superhard material products,Carbide products,Carbide components,Welding materials and products,Experimental test equipment,metal products,Rubber products,Equipment,Tool product,Seals,Non-standard bearings and parts,lubricating material,software(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments).