Tengfei Company (TFCO), located in Tianjin, a dynamic fast growing industrial harbor city in North China. TFCO is the strategic agency of TPCO which is one of the world biggest producers of seamless steel pipe. Shenyang Tengfei was established in Shenyang in 1999 and now the headquarter of Tengfei Company is based in Tianjin, adjacent to TPCO. 　　TFCO is also the tier one material supplier of China National Petroleum Corporation (CNPC) and the member of “Energy Ahead”. Through more than ten years’ development, TFCO has become the supermarket-type pipe enterprise with the operation and sales of seamless pipe, production and processing, storage management, logistics and distribution. Now TFCO markets seamless steel pipe more than 200 kt per year and keeps 40-70 kt TPCO seamless pipe in stock all the year round. As the grade A agent of TPCO, it is dominated in the lead position of scale of enterprise and volume of sales. TFCO has large indoor and outdoor warehouse about 100,000 m2, logistic distribution vehicles operated in order and service team. Since its establishment in 1999, TFCO has been acquainted by many cooperation partners and acted as the suppliers for a number of key projects friends with strong product advantage, easy sales process, perfect service system and abundant inventory and the seamless pipes distributed by our company have been widely applied in petrochemical, military, marine, aerospace, hydraulic cylinder, coal, steel, pipe fittings, machinery processing, bridges and other industries and fields. The main varieties include: structural pipe, fluid pipe, line pipe, low and medium pressure boiler pipe, high pressure boiler pipe, oil cracking pipe, high-pressure Chemical fertilizer pipe, hydraulic support pipe, petrolic cracking pipe, alloy structural pipe, machinery processing, thermal expansion pipe and the specification involves diameter: 51 mm -720 mm; wall thickness : 4mm to 50mm, the material is related: 10#、20#、35# 、45#、Q345、16Mn、27Simn、15 Crmo、35Crmo、20G、12Cr1MoVG, etc.. The product executes the national criterion and US criterion, mainly including:GB/T8162、GB/T8163、GB3087、GB5310、GB5312、GB6479、GB/T17395、GB13296、GB9948、GB/T17396、ASTM A106、API SPEC 5L. 　　Our company has always been upholding the operation philosophy of " Honesty and Trustworthy, Mutual Benefit and Win-Win", sticking to the standardized management, improved service and strict quality control system, and ensuring the quality of processed and distributed products and auxiliary service project. Since 2007, our company has been successively certified by the ISO9001 quality management system in the scope of "Processing and sales of seamless pipe" and “Pipe storage, delivery, loading service", which has marked that the products and service of our company effectively meet the needs of industrial specification and standards.