Jinan Longchao Petroleum Machinery Co., Ltd, based in Jinan, Shandong, China, is a leading manufacturer specializing in mud pump liners and fluid end solutions. With over 30 years of manufacturing experience, we have delivered more than one million pump liners to clients across the globe.
Our liners are fully OEM-compatible, interchangeable with top international pump brands such as Gardner Denver, National, Oilwell, IDECO, EMSCO, BOMCO, and Russian Pumps. Backed by long-term partnerships with tier-one drilling contractors, our products are trusted in oilfields throughout North America, the Middle East, Russia, and Southeast Asia.
Guided by our principle: “Focusing on mud pump liners, unchanged for 30 years,” LONGCHAO has remained China’s No.1 liner manufacturer for over two decades. We are committed to delivering consistent quality, responsive service, and reliable supply—helping you drill deeper, longer, and with confidence.
