Dongying Lianfeng Petroleum Machinery Co., Ltd.
Dongying Lianfeng Petroleum Machinery Co., Ltd.
🇨🇳 China, Shandong
201311-50 peopleManufacturer/Trading CompanyDongying 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.
OEM manufacturerOffers OEM services for customized brand manufacturing.
Industry association memberMember of American Petroleum Institute (API) association.
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Products
Products
0
Categories
0
API Tool Joint (NC50)
0·0 reviews
Drill Pipe Sub
0·0 reviews
Tool Joint
0·0 reviews
Customers
CHANGQING OILFIELD
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Certifications
ISO 90012
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Description
Dongying Lianhui Petroleum Technology Co., Ltd. is a professional manufacturer and trading company established in 2018, headquartered in Dongying, Shandong province—the heart of China's second-largest oilfield, Shengli. As a first-tier supplier to Petrochina and Sinopec, the company is a recognized member of the China Council for the Promotion of International Trade and the China International Chamber of Commerce. The company specializes in a comprehensive range of oil and gas equipment, including drilling and workover equipment, well control and solid control machinery, and down-hole tools. Their extensive product portfolio features drill pipes, casing and couplings, mud pumps, hydraulic piston pumps, and cementing tools such as float collars, bow centralizers, and cement heads. Committed to technical excellence, the company operates a technology research and development center in collaboration with China Petroleum University. Dongying Lianhui maintains an integral quality management system with ISO 9001, ISO 14001, and HSE certifications, ensuring all equipment strictly complies with international standards and API specifications. With a workforce of 11 to 50 employees, the company serves both domestic markets and international clients across North America, South America, Central Asia, Southeast Asia, and the Middle East.
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