China Huanqiu Contracting & Engineering Co., Ltd.

It integrates research and development, consulting, technology licensing, FEED, detailed design, procurement, construction management, equipment manufacturing, commissioning, operation and maintenance, and financing into comprehensive one-stop solutions. Core activities focus on oil refining, petrochemicals, LNG liquefaction and receiving terminals, new coal chemical projects, inorganic and organic chemicals, fertilizers, and emerging green energy initiatives.

The company holds extensive patented process technologies and acts as a licensor for large-scale facilities, including ethylene plants exceeding 1 million tpa and major refining complexes. It operates globally with projects across more than 50 countries, supported by 11 domestic affiliates—including engineering centers and construction firms—and 22 overseas branches organized into five regional hubs in the Middle East, Asia-Pacific, Central Asia-Russia, Africa-Europe, and the Americas.

Headquartered in Beijing, HQC is a wholly-owned subsidiary of China Petroleum Group Engineering Co., Ltd. under China National Petroleum Corporation (CNPC). It employs around 10,000-15,000 staff and maintains ISO certifications for quality, environment, and safety. The firm consistently ranks among the ENR Top 225 International Contractors and Top 200 International Design Firms, positioning it as a leading Chinese player in global petrochemical and energy infrastructure engineering.