Jinan Longchao Petroleum Machinery Co., Ltd.

Jinan Longchao Petroleum Machinery Co., Ltd. (济南隆超石油机械锻造有限公司), originally established in 1988 as Zhangqiu City Dongyao Casting and Forging Machinery Factory, is China's leading mud pump liner manufacturer with over 30 years of manufacturing experience and more than one million pump liners delivered globally. The company was formally registered as Jinan Longchao Petroleum Machinery Forging Co., Ltd. in 2007. Longchao specializes in bi-metal and zirconia ceramic cylinder liners, mud pump pistons, valves and seats, fluid end modules, and power end parts. Products are fully OEM-compatible and interchangeable with top international pump brands including Gardner Denver, National, Oilwell, IDECO, EMSCO, BOMCO, and Russian pumps. The company holds API 20C (Closed Die Forgings) and API 7K (Drilling Equipment) certifications, along with ISO 9001. The factory spans 32,745 square meters with over 200 staff, annual forging capacity exceeding 10,000 tons, and bimetallic liner output of more than 30,000 pieces per year. Longchao also produces custom forgings, foam ceramic filter plates, and high-speed railway accessories. The company became a National High-Tech Enterprise in 2019 and commissioned a new intelligent factory in 2023. Products serve major drilling contractors across North America, the Middle East, Russia, Europe, and Southeast Asia.