Shengli Oil & Gas Pipe Holdings Ltd. is an investment holding company, which engages in the manufacturing of oil and gas pipelines. The company is headquartered in Zibo, Shandong and currently employs 483 full-time employees. The company went IPO on 2009-12-18. The firm operates its businesses through two segments. Pipe Business segment mainly engages in the design, manufacturing, anti-corrosion processing, insulation 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, natural gas and other related products. Trading Business segment mainly engaged in trade of welded pipes. The firm mainly conducts its businesses in the domestic market.