yixing shunjing passivation materials co., ltd. specializes in the production of copper polishing liquid, copper passivation liquid, stainless steel pickling passivation paste, environmentally friendly stainless steel passivation liquid, stainless steel pickling passivation liquid, specializes in cleaning and processing of various metal surfaces.
second-rate huizhou jiayimei metal surface treatment materials co., ltd. is a manufacturer and solution provider integrating stainless steel passivation liquid, 304 stainless steel passivation liquid, stainless iron passivation liquid, copper passivation liquid, stainless steel pickling passivation liquid, 304 stainless steel pickling passivation liquid and other series of products. the products are mainly divided into five categories: metal cleaning, rust removal, passivation, polishing and functional chemicals. 1 stainless steel cleaning agent, silane treatment agent, various textile printing and dyeing additives. undertaken pickling passivation projects in various industries such as chemical equipment, environmental protection equipment, pressure vessels, etc. 30 people