CHANGFA.CHANGFA, established in 2002, is a company specializing in the manufacturing of non-ferrous metal materials and key components for refrigeration systems. Its core business revolves around the deep processing of high-performance metal materials. Primary products include aluminum sheets and foils, precision copper tubes for multiple industrial applications, and heat exchangers (such as evaporators and condensers) for various household and commercial air conditioning and refrigeration products within the refrigeration industry. CHANGFA serves as a vital link connecting upstream raw materials with downstream refrigeration equipment manufacturing.