We are Tianhe Oil Group based in Shanghai, China. We are member of TradeKey.com since May, 2014. Our business is related to Energy Products industry and we specifically deal in oilfield drilling tools. Please find our product details below: Full Hydraulic Drilling Jar We are a wellknown trademark enterprise, estabilished in 1973. It has been certified to ISO, API, and HSE management system. Our Jarring tools include double acting hydraulic drilling jar, doub... Heavy Weight Drill Pipe We are a wellknown trademark enterprise, estabilished in 1973. It has been certified to ISO, API, and HSE management system. Tianhe HWDP is available in standard, spiral and nonmagnetic designs. Ou... Thank you for taking time to go through our business profile. If there are any questions, inquiries or comments, please feel free to contact us.