. Yinhe Chemical is located in Lanzhou, a major industrial hub in Northwest China. Since its establishment in 2008, Yinhe has steadily grown into a specialized company integrating chemical production and chemical cleaning through continuous innovation and honest management. The company specializes in the research and production of metal surface treatments, boasting professional R&D personnel, standardized production processes, rigorous testing methods, and an excellent service system. We have a dedicated engineering team that undertakes stainless steel pickling, passivation, cleaning, and descaling projects, including chemical cleaning, industrial equipment cleaning, precision instrument cleaning, nuclear power product cleaning, large heat exchanger cleaning, oil tank cleaning, hot water pipe cleaning, heating network cleaning, boiler cleaning, central air-conditioning cleaning and descaling, stainless steel pickling and passivation, polishing, high-rise building cleaning, steel rust removal and anti-rust treatment, spraying, and various other industrial cleaning services. We have received numerous honors, including “Enterprise Credit ** Unit,” “Outstanding Cleaning Raw Material Supplier,” “National Market Quality and Safety ** Unit,” “Excellent Outsourcing Contractor,” and “AAA Trustworthy Commitment Enterprise.” We have served many listed companies and state-owned enterprises, such as Lanzhou Lanshi Group, China National Nuclear Power Co., Ltd., Jiu Steel Group Yuchang Branch, United Heavy Industries Co., Ltd., Haimo Technology (Group) Co., Ltd., Gansu Blue Science Petroleum Equipment Co., Ltd., and Nai Chi Pump Industry (China) Co., Ltd. Our main products include: stainless steel pickling and passivation paste, stainless steel pickling and passivation liquid, multi-purpose acid pickling corrosion inhibitor, stainless steel brightening pickling liquid, carbon steel pickling liquid, passivation liquid, chemical polishing liquid, electrolytic polishing liquid, descaling liquid, acid-free “pickling” liquid, welding anti-clogging paste, welding anti-splashing agent, degreasing agent, anti-rust oil, anti-rust agent, air-conditioning cleaning agent, boiler descaling agent, degreasing agent for stainless steel cleaning, phosphating liquid, brass and copper pickling liquid, passivation liquid, metal chemical degreasing agent, aluminum alloy pickling and passivation paste, aluminum alloy pickling and passivation liquid, room-temperature blackening agent, and other related chemical raw materials. Currently, our products are used by over 500 chemical machinery, food machinery, textile dyeing machinery, beer fermentation tanks, industrial equipment installation, chemical construction engineering companies, and petroleum construction engineering companies across more than 20 provinces and cities nationwide. Corporate Philosophy: Take technology as the guide, pursue survival through quality, and create benefits through service. Corporate Purpose: Integrity builds enterprises; harmony fosters prosperity! Welcome to the website of Lanzhou Yinhe Chemical Cleaning Technology Co., Ltd. Our company is located in Lanzhou City—the political, cultural, economic, and scientific-educational center of Gansu Province, a region rich in historical heritage and natural resources. Our specific address is on Company Street in Lanzhou, Gansu Province, and our contact person is Song Xuehong. Our main products include stainless steel pickling and passivation paste, stainless steel pickling and passivation liquid, multi-purpose acid pickling corrosion inhibitor, stainless steel brightening pickling liquid, carbon steel pickling liquid, passivation liquid, chemical polishing liquid, electrolytic polishing liquid, descaling liquid, acid-free “pickling” liquid, welding anti-clogging paste, welding anti-splashing agent, degreasing agent, anti-rust oil, anti-rust agent, air-conditioning cleaning agent, boiler descaling agent, degreasing agent for stainless steel cleaning, phosphating liquid, brass and copper pickling liquid, passivation liquid, metal chemical degreasing agent, aluminum alloy pickling and passivation paste, aluminum alloy pickling and passivation liquid, and room-temperature blackening agent. Registered capital of the company: RMB 2 million - 3 million. Our company’s main services include chemical cleaning, pickling pastes, pickling liquids, phosphating liquids, descaling agents, anti-rust oils, and other metal surface treatment products. We are committed to providing you with the highest-quality services and sincere dedication, offering you the finest products and the most outstanding professional expertise to jointly create a brighter future!