Shengli Oil-field Haorui Petroleum Machinery Co., Ltd.

Shengli Oil-field Haorui Petroleum Machinery Co., Ltd. is a Chinese manufacturer of oil wellhead equipment and casing heads, established in 2004 and headquartered in Dongan Town, Kenli County, Dongying City, Shandong Province. The company operates as a hosted enterprise under Shengli Oilfield Gubang Petroleum Equipment Co., Ltd. — a comprehensive group enterprise affiliated with Sinopec's Yellow River Drilling Corporation. Haorui employs 210 people including 18 engineering designers and 86 professional and technical personnel, and operates nearly 100 production and inspection equipment units. The company holds API Spec 6A certification at the highest PSL4 level for casing heads, wellhead equipment, and oil trees, as well as ISO 9001, ISO 14001, and OHSAS 18001 certifications. Key products include casing heads, thermal casing heads, power slips, and subsidence compensation casing heads — with the thermal casing head and power slip approved as patented products by China's State Intellectual Property Office. Annual casing head production capacity exceeds 1,000 sets. Production equipment includes forging equipment, casting equipment, heat treatment equipment, CNC machining centers, CNC lathes, CNC pipe threaded lathes, vertical lathes, digital display horizontal milling and boring machines, and EDM cutting machines. Testing equipment includes an automatic chemical element analyzer, metallographic microscope, portable spectral analyzer, 300 MPa water seal microcomputer high-pressure testing system, 150 MPa gas seal testing system, Brinell hardness testers, Rockwell hardness testers, ultrasonic flaw detectors, magnetic particle flaw detectors, hydraulic universal material testing machines, impact testing machines, and 500-ton pressure testing machines. The company has a professional after-sales service management system with 24-hour after-sales telephone support.