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foshan zhongke renchang technology is a professional environmentally friendly metal surface focused on 13 years of research and development and production. it has multiple r&d teams and technical engineers. it has provided solutions with customers. it has served more than 10,000 customers in 15 years. it has excellent quality and good reputation. the products include metal surface treatment, metal cleaning agent, electroless nickel plating, electroplating silver plating, industrial cleaning agent, plastic electroplating, metal detection agent, electroplating additive, chromium plating process, environmentally friendly cleaning agent, stainless steel pickling passivation, quick-acting descaling agent, chromium-free passivation, galvanizing brightener, nickel plating additive, copper plating additive, copper antioxidant, nickel plating brightener, descaling agent price, solvent cleaning agent, chromium plating additive, electric
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