TTGM is a professional manufacturer of oil pipes for petroleum industry which was founded in 1992 and located in Development Area in Tianjin, China with convenient transportation. With the purpose of meeting the demand of market, we spare no efforts to extend the company scale and boost production innovation. TTGM established Tianjin Dehua Petroleum Equipment Manufacturing Co., Ltd. in Jinnan Development Area, Tianjin, China in Apr. 2006. The new company covers 130,000sqm with 85 technicians ...