Kaifeng Keller's common metal surface treatment makes the material through chemical nickel plating process, the more corrosion resistant, high temperature resistance, hydrogen sulfide, carbon dioxide resistant, saline-alkali, anti-sulfur dioxide, environmental indicators have reached export products SGS International standards. My company's main products: surface treatment, local surface treatment, precision surface treatment, electroplating, local electroplating, functional electroplating, electrophoresis, laser engraving, etching, stripping and so on. Whole or in part, nickel, gold, tin, zinc, chrome, black, white, colored electrophoresis, etching, laser carving, stripping and electroplating related processes. Kaifeng Keller Industries Limited: http://www.kfkaile.com