News

  Dual Upgrade of Production Capacity & Technology, Gerunwei Metal Surface Pretreatment Chemicals Support Global Clients’ Green Manufacturing Transition As global manufacturing environmental regulations grow stricter, low-sludge, phosphorus-free and multi-material compatible Metal Surface Pretreatment Chemicals have become core purchasing demands for overseas buyers. Qingdao Gerunwei Environmental Protection Technology Co., Ltd. leverages Qingdao’s integrated airport and seaport logistics hubs to complete production line capacity upgrading. We steadily supply a full range of chemicals including Phosphating Solution, Metal Degreaser, Water-based Anti-rust Agent, Phosphorus-free Ceramic Coating Agent and Custom Pretreatment Chemicals, delivering one-stop pre-coating solutions for overseas sectors such as new energy vehicles, construction machinery, photovoltaic hardware, home appliances and bicycles. Our factory is 13 kilometers from Jiaodong International Airport and 8 kilometers from Hongdao High-speed Railway Station, with direct access to Qingdao Port cargo terminals. Bulk chemical orders can be shipped flexibly by air or sea to greatly shorten cross-border delivery lead times. After production line expansion and optimization, our annual output stably exceeds 12,000 tons, fully supporting long-term mass orders from large overseas manufacturers. The company holds dual ISO9001 quality and ISO14001 environmental management system certifications. All products are manufactured with eco-friendly raw materials to cut wastewater and sludge generation from the source, complying with emission standards of Europe, Southeast Asia, the Middle East and other regions. Our in-house R&D team serves as core competitiveness to match diverse global production lines. We develop exclusive Custom Pretreatment Chemicals with one-on-one formula customization based on clients’ workpiece materials, production temperature and local environmental regulations. Our flagship Phosphorus-free Ceramic Coating Agent abandons high-phosphorus formulas compared with traditional Phosphating Solution, drastically reducing sludge output while upgrading coating adhesion and corrosion resistance. The newly launched star product Metal Degreaser fits all metal substrates including aluminum, stainless steel, copper, coiled steel and carbon steel. It rapidly removes stamping and drawing grease under low temperature without substrate corrosion, and its cleaning wastewater is easy to treat. The matched Water-based Anti-rust Agent contains no volatile organic compounds and delivers long-term rust protection during long-distance sea transportation and storage, cutting clients’ scrap loss effectively. The full portfolio of Metal Surface Pretreatment Chemicals has been verified by numerous factories worldwide with mature and stable performance, perfectly compatible with electrophoresis, electrostatic spraying and paint coating post-processes. Streamlined internal operation management reduces overall costs and delivers outstanding cost performance in the international market. Operating with integrity, Gerunwei has won the Trustworthy Business Commitment Unit medal. We are recruiting global distributors and end buyers now, welcoming overseas partners to visit our factory for sample testing and long-term cooperation negotiation. Gerunwei will continuously upgrade chemical formulas and empower global manufacturers to cut costs and carbon emissions with high-performance eco-friendly metal pretreatment chemicals.

  Focus on Global Green Coating Demand, Qingdao Gerunwei Expands Overseas Cooperation with Full Line Metal Surface Pretreatment Chemicals As environmental regulations tighten across global manufacturing industries, phosphorus-free, low-emission and tailor-made pretreatment chemicals have become rigid industry demands. Qingdao Gerunwei Environmental Protection Technology Co., Ltd. takes full advantage of Qingdao’s integrated airport and seaport logistics to supply standardized and customized Metal Surface Pretreatment Chemicals worldwide. Our complete product portfolio includes Phosphating Solution, Metal Degreaser, Water-based Anti-rust Agent, Phosphorus-free Ceramic Coating Agent and Custom Pretreatment Chemicals, delivering low-cost and low-pollution full-process pre-coating solutions for overseas clients in new energy vehicles, construction machinery, photovoltaics, hardware and home appliances. Located in Hongdao District, Qingdao, our factory is 13km away from Jiaodong International Airport, 8km from Hongdao High-speed Railway Station and adjacent to Qingdao Port logistics hub. Bulk chemical cargo can be shipped by air or sea rapidly to greatly shorten lead times for international buyers. Our automated production lines deliver an annual output of over 12,000 tons to support long-term mass orders from large overseas manufacturers. All production procedures comply with ISO9001 Quality Management System and ISO14001 Environmental Management System. Eco-friendly raw materials are adopted to reduce waste water and residue discharge, meeting environmental access standards of EU, Southeast Asia, Middle East and other regions. Our independent R&D team serves as the core strength to adapt to diverse overseas production conditions. We develop and adjust exclusive Custom Pretreatment Chemicals based on clients’ workpiece materials, production temperature and local emission standards to realize one-on-one formula customization. Our flagship Phosphorus-free Ceramic Coating Agent replaces traditional high-phosphorus Phosphating Solution. Its phosphorus-free formula cuts wastewater treatment investment while improving coating adhesion and corrosion resistance. The matched Metal Degreaser is specially designed for aluminum, stainless steel, copper and coiled steel, offering low-temperature cleaning without substrate corrosion and complete removal of stamping grease. The star product Water-based Anti-rust Agent contains no volatile organic solvents and provides long-term rust protection during sea transportation and long storage, eliminating scrap losses caused by cross-border corrosion. The full range of Metal Surface Pretreatment Chemicals has been widely verified by global production lines with mature and stable performance, perfectly compatible with electrophoresis, paint spraying and electrostatic coating post-processes. Streamlined internal operation and mass production scale help us lower overall costs, making our products highly cost-competitive in international markets. Honored as Trustworthy Business Commitment Unit for integrity-oriented operation, Gerunwei now recruits global distributors and large end buyers. Overseas purchasers are welcome to visit our factory for sample testing and long-term cooperation negotiation. Gerunwei will continuously upgrade eco-friendly chemical formulas and assist global manufacturers in green production transformation with high-performance, low-cost and customizable metal pretreatment chemicals.

  Qingdao Gerunwei Connects Global Foreign Trade Supply Chain, Full-range Metal Pretreatment Chemicals Meet Manufacturing Demands Worldwide With the unique geographic advantage of proximity to airport and seaport in Qingdao, Qingdao Gerunwei Environmental Protection Technology Co., Ltd. keeps exploring overseas markets. We supply premium Metal Surface Pretreatment Chemicals in one-stop service, including Phosphating Solution, Metal Degreaser, Water-based Anti-rust Agent, Phosphorus-free Ceramic Coating Agent and Custom Pretreatment Chemicals. Our integrated green pre-coating solutions serve global clients from home appliance, new energy vehicle, construction machinery, hardware and photovoltaic industries. The company is 13 kilometers away from Jiaodong International Airport and adjacent to Qingdao Port. Smooth sea and air logistics cut cross-border transportation time and cost, supporting stable bulk overseas orders. Our annual output exceeds 12,000 tons to satisfy long-term mass demand of large international buyers. All production procedures comply with ISO9001 quality management system and ISO14001 environmental management system, and eco-friendly raw materials are adopted for all products to lower pollution from the source. The independent internal R&D team is our core strength for global expansion. We develop exclusive Custom Pretreatment Chemicals according to different national environmental regulations, workpiece materials and production processes, with flexible formula adjustment. Our flagship Phosphorus-free Ceramic Coating Agent performs better than traditional zinc-based Phosphating Solution, and its phosphorus-free formula reduces wastewater treatment investment. The matched Metal Degreaser works well on aluminum, copper, stainless steel, coiled steel and other metals with thorough degreasing without corrosion. Long-acting Water-based Anti-rust Agent prevents rust during long-distance sea transportation and storage. Combined usage of these chemicals effectively cuts clients’ comprehensive costs on wastewater disposal and defective rework. Lean operation and large-scale production help us control expenses, making all Metal Surface Pretreatment Chemicals highly cost-effective. Our products have been widely applied and verified by global customers with mature stable technology, compatible with electrophoresis, electrostatic spraying and paint coating. Operating with integrity, the company has obtained the Trustworthy Business Commitment Unit certificate. We are recruiting global distributors and buyers now, welcoming overseas partners to visit our factory for sample testing. Gerunwei will continuously upgrade pretreatment chemicals, and support global manufacturers to realize energy-saving and low-carbon upgrading of coating procedures with eco-friendly, cost-efficient and customizable chemicals.

  Gerunwei Focuses on Eco-friendly Metal Pretreatment, Custom Chemical Solutions Help Global Clients Cut Costs & Boost Efficiency Recently, Qingdao Gerunwei Environmental Protection Technology Co., Ltd. has expanded its global overseas market coverage. Leveraging integrated advantages in geographic location, independent R&D and sufficient production capacity, the enterprise provides one-stop supply of complete Metal Surface Pretreatment Chemicals for worldwide manufacturers, including six core categories: Phosphating Solution, Metal Degreaser, Water-based Anti-rust Agent, Phosphorus-free Ceramic Coating Agent and Custom Pretreatment Chemicals, comprehensively solving environmental, cost and quality challenges in pre-coating metal treatment. Headquartered in Qingdao, Shandong Province, the factory is merely 13 kilometers away from Jiaodong International Airport and enjoys direct access to Qingdao Port. Smooth air and sea logistics greatly shorten lead times for overseas orders and guarantee stable bulk delivery. The annual production capacity exceeds 12,000 tons, fully supporting long-term mass procurement from large overseas manufacturers. Our chemicals are widely applied in home appliances, new energy vehicles, construction machinery, hardware fittings, solar energy and dozens of other industries, perfectly matching electrophoresis, electrostatic spraying and paint coating post-processes. Supported by an independent in-house R&D team, Gerunwei develops tailor-made Custom Pretreatment Chemicals according to clients’ workpiece materials, production conditions and local environmental standards. All raw materials are eco-friendly, with dual certifications of ISO9001 Quality Management System and ISO14001 Environmental Management System. Our flagship Phosphorus-free Ceramic Coating Agent and new rare earth film-forming agent outperform traditional zinc-based Phosphating Solution, eliminating pollution risks of high-phosphorus wastewater. Supporting Metal Degreaser delivers stable degreasing performance for aluminum, stainless steel, copper and coiled steel, while long-lasting Water-based Anti-rust Agent extends storage anti-rust duration for workpieces. The full product portfolio effectively lowers clients’ overall costs on wastewater treatment and rework rejection. Benefiting from mature mass production technology and efficient internal operation teams, Gerunwei strictly controls operational expenses and delivers cost-effective Metal Surface Pretreatment Chemicals to global partners. Committed to integrity-based operation, the company has won the "Trustworthy Business Commitment Unit" medal. Gerunwei now welcomes global distributors and buyers to visit our factory for field inspection, to customize eco-friendly pretreatment chemical formulas matching your production lines, and jointly promote low-carbon transformation of the global coating industry.