
Liyuan Machinery (Tianjin) Co., Ltd.
Liyuan Machinery (Tianjin) Co., Ltd., located in Tianjin, is a comprehensive enterprise specializing in the import and export of power equipment, mechanical products, genuine imported spare parts, electronic equipment, and other related products, while also engaging in equipment manufacturing.
The company has long been dedicated to importing petroleum machinery auxiliary engines, generator sets, and gearboxes, as well as designing and installing engine power unit assemblies. It specializes in power and transmission technology equipment for ships, oil and gas fields, and petroleum machinery.Over the years, by fully integrating resources and leveraging our comprehensive strengths, we have grown steadily in the fiercely competitive market. This growth is underpinned by our consistently ample inventory, genuine quality products, and professional, high-quality service. Our business spans the petroleum machinery, marine, petrochemical, and onshore/offshore oil and gas extraction industries, establishing us as an outstanding product supplier and service provider within the petroleum sector.
The company currently operates specialized bonded warehouses in Shanghai's Waigaoqiao Free Trade Zone, Tianjin's Xingang Bonded Zone, and Shantou's Comprehensive Bonded Zone. In Tianjin, it maintains transit warehouses for engines and generator sets, along with a warehouse for original equipment parts. The company's current inventory includes dozens of brand-new CAT engines and generator sets across the full product line, covering all models commonly used in oilfields—from the CAT C7 series to the CAT 3512.
The company's technical department staff possess extensive experience in component design, manufacturing processes, and product assembly. They conduct comprehensive inspections during the design phase to ensure compatibility of power and cooling systems, component machining, stress requirements, electrical design specifications, and assembly process requirements, thereby guaranteeing equipment safety and reliability from the design stage. Leveraging resources from major oilfields and OEM suppliers, the company provides maintenance and commissioning services for oilfield engines, generator sets, pump units, and power units.In recent years, the company has annually supplied dozens of power unit products to major domestic petroleum OEMs and their supporting factories, including China National Petroleum Corporation Bohai Petroleum Equipment Manufacturing Co., Ltd., Sichuan Kunlun Petroleum Equipment Manufacturing Co., Ltd., Shanghai Zhongman Group, Nanyang No. 2 Machine Tool Factory, Hubei No. 4 Machine Tool Factory, Sanjiang Walite Special Vehicle Co., Ltd., and China National Heavy Duty Truck Group Tai'an Wuyue Special Purpose Vehicle Co., Ltd., earning consistent praise from customers.
Key Partners: Shandong Kerui Group, Yantai Jereh Group, Haihua Group, Nanyang No. 2 Machinery, Baoji Petroleum, Hubei No. 4 Machinery, Tianjin Bohai Petroleum, Tianjin Dongfang Xianke, Sichuan Honghua, Sanjiang Walite, China National Heavy Duty Truck Group Tai'an Wuyue, Weichai Power, Yuchai, North China Oilfield, Shengli Oilfield, Daqing Oilfield, and other OEM suppliers.
Quality, Environmental, and Occupational Health and Safety Management System Certification























