Headquartered in Qingdao, a coastal city in Shandong Province, Qingdao Greenwei Environmental Technology enjoys premium transportation access, only 13km from Jiaodong International Airport and 8km from Hongdao High-speed Railway Station. We are an integrated high-tech manufacturer focusing on R&D, production, global sales and technical service of eco-friendly metal surface treatment chemicals, certified with ISO 9001 Quality Management System and ISO 14001 Environmental Management System to guarantee consistent stable quality.

Our comprehensive product portfolio includes phosphorus-free degreasers, nano ceramic coatings, silane conversion coatings, rare earth film agents, full series of phosphating liquids, special treatments for aluminum, copper & stainless steel, eco rust removers, long-term water-based anti-rust agents and fully synthetic metal cutting fluids. Our self-developed rare earth film series outperforms traditional zinc phosphating products with lower pollution and higher efficiency, complying with international green manufacturing standards.

Our chemicals serve new energy vehicles, solar energy, machinery, home appliances, hardware, agricultural machinery, construction materials and other sectors, perfectly matching electrophoresis, electrostatic spraying and painting post-processes to deliver one-stop pre-coating solutions.

Serving global clients, Greenwei prioritizes low-carbon & eco-friendly innovation and offers customized formulas for overseas partners. We sincerely welcome worldwide distributors and manufacturers to visit our factory and establish long-term win-win cooperation to advance greener, more energy-efficient metal surface treatment technology together.