Dongying Lianhui Petroleum Technology Co., Ltd.
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Dongying Lianfeng Petroleum Machinery Co., Ltd.
🇨🇳 China
201311-50 peopleManufacturer/Trading CompanyOEM manufacturer
Industry association member
Key customer
CHANGQING OILFIELD
Key market
Asia
Description
Dongying Lianfeng Petroleum Machinery Co., Ltd. is a specialized manufacturer and trading company based in Dongying, China, within the Dongying Economic Development Zone. Established in 2013, the company occupies a 30-mu facility and focuses on the production of high-quality petroleum drilling equipment, specifically oil drill pipe joints and tool joints. With an annual production capacity exceeding 100,000 pairs, the company serves as a critical supplier for both domestic oilfields, such as Shengli and Daqing, and international markets including the United States, Russia, the UAE, and Kazakhstan.
The company operates as an OEM and contract manufacturer, utilizing advanced production technologies and sophisticated equipment. Their manufacturing process features Japanese SPERIA vacuum heat treatment furnaces, CNC thread lathes, and 1,200t hydraulic presses. Products are typically forged from AISI4137H (37CrMnMo) alloy steel and undergo rigorous surface treatments, such as zinc-manganese phosphating or electrolytic copper-plating, to enhance durability and service life.
Quality assurance is central to their operations, evidenced by their ISO 9001:2008 quality management system certification and adherence to American Petroleum Institute (API) standards. Their comprehensive testing capabilities include ultrasonic flaw detectors, mechanical property detectors, and chemical analyzers, ensuring all components meet the strict specifications required for global petroleum drilling applications.
API Tool Joint (NC50)
Drill Pipe Sub
Tool Joint
