Carry out economic and technological cooperation, extend and transfer Kerui cleaning technology, and train professional chemical cleaning talents. System dirt purge of various large industrial equipment and imported installations before operation and during overhaul. 　　
       
        Chemicals cleaning upon all kinds of industrial boilers, pressure vessels, and heat exchange equipment. Chemical cleaning upon industrial cooling water and central air conditioning circulating system and water treatment project. Cleaning and reduction of reverse osmosis membrane contamination , and revivification of sodiumion exchange resin oxicosis. High-rise out wall and indoor leaning.Manufacture and sales of fine chemical products, detergent, and corrosion preventive.