Shengli Oil & Gas Pipe Holdings Ltd oil and gas pipe manufacturers in China. It focuses on the design, manufacturing, value-added processing and servicing of submerged-arc helical welded pipes (SAWH pipes) and submerged-arc longitudinal welded pipes (SAWL pipes), that are used to transport crude oil, refined petroleum products, natural gas and other related products. It operates two reportable segments which comprise of pipes business and trading business. Majority of the revenue is derived from pipes business segment that involves the production of submerged-arc helical welded pipes and submerged-arc longitudinal welded pipe which are mainly used for the oil and infrastructure industry. Geographically it derives revenue from Mainland China.