Nanyang Doer Gas Equipment Co., Ltd. is mainly engaged in the research, design，manufacture and after-sales service of various industrial gas equipment and cryogenic equipment. The company has: 　　1. Cryogenic equipment division: large atmospheric cryogenic storage tank, powder vacuum cryogenic storage tank, large air-bath vaporizer, water-bath vaporizer, cryogenic loading pump and loading arm system for large cryogenic storage tank, metering skid Wait.

　　2. Gas equipment business unit: LNG refueling station, L-CNG refueling station, LNG vaporization station, LNG vaporizer, LNG vaporization pressure regulating metering and odorizing skid, LPG vaporizer.

　　3. Heat Exchanger Business Unit: high-pressure wound tube heat exchanger, fixed tube plate heat exchanger, U-tube heat exchanger, floating head heat exchanger.