Dongying Donhe Pipeline Technology Co., Ltd.

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Donghong Group Co., Ltd.

🇨🇳 China

1997

1001-2000 people

Manufacturer/Service Company/Trading Company

High capacity factory

Established brand

Large enterprise group

OEM manufacturer

Key customer

CHINA SHENHUA GROUP

Key market

🇦🇺 Australia

Description

Donghong Group Co., Ltd. is a comprehensive manufacturer, service provider, and trading company based in Qufu, China, specializing in engineering pipeline systems. Established in 1997, the company has grown to become a leading player in the industry, operating as the "China Biggest Engineering Pipeline Industry Base" and "China Mining Pipeline Leading Enterprises." With over 1,100 employees and a factory floor covering 133,400 square meters, Donghong Group boasts significant manufacturing capabilities, including over twenty steel reinforced HDPE composite pipe production lines and the world's largest injection molding machines. They process 5,000 metric tons of polyethylene resin monthly. The company offers a comprehensive portfolio of polymer plastic pipes, modified plastic composite pipes, heavy-duty anti-corrosion metal pipes, and energy-saving thermal pipes, along with connecting pipe fittings and new material applications. Key product categories include HDPE pipes, PVC pipes, steel wire reinforced pipes, thermal insulation pipes, and various composite pipes, designed for applications in hydraulic engineering, municipal administration, heating projects, gas projects, and mining engineering. Donghong Group provides one-stop engineer pipeline system solutions, including plastic raw materials, supporting pipe fittings, and pipeline engineering installation. The company holds ISO 9001 and ISO 14001 certifications, along with a 3.5Mpa Coal Mining Safety Mark of China, and is recognized with "China Well-Known Trademark" and "National Inspection-Free Products" designations. They export to over 120 countries and serve major clients such as Sinopec, Petrochina, and various mining groups.

Large Diameter PE Water Pipe$0.1

PE-RT Underfloor Heating Pipe$1

Steel-PE Coal Mining Pipe$0.1

Hot and Cold Water Pipe (PP-R)$0.5

Dongying Lianhui Petroleum Technology Co., Ltd.

🇨🇳 China

2018

11-50 people

Manufacturer/Trading Company

Industry association member

High-tech enterprise

Low MOQ

Shipments

131

Key customer

PETROCHINA

Key market

🇰🇿 Kazakhstan

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.