Shengli Oilfield Tongtai International (Tongtai) is a leading provider of OCTG and all kinds of oilfield equipment in China. It is under the administrative control of Sinopec Shengli Oilfield Co. Ltd. based in the second largest oilfield of China, Tongtai is engaged in exporting all kinds Of quality and price-competitive oilfield products made in Shengli oilfield and wider China, such As oil tubing, casing pipe, pipeline, downhole tools, rig, pumps, waterproof membrane etc according to API standard.

We provide API 5CT tubing with OD ranging from 2-7/8" to 4-1/2" with grade J55 K55 N80 L80 P110. Please contact us for details.