ZhuHai GongTong Mechanical Equipment Co., Ltd. is a professional manufacturer of design and manufactures the cryogenic liquid equipment. We have the certification of manufacture the class ¢ñ¡¢¢ò¡¢¢ópressure vessels. We also passed the ISO9001 quality system authentication. Our main production is blow: 1. Cryogenic liquid tank (model multi-layer vacuum heat-isolation and model powder heat-isolation), capacity 5M3-5000M3 2. Cryogenic liquid pump (turbo/piston) 3. Cryogenic liquid vaporizer (air-heated, electric-heated, steam-heated) 4. Oxygen generator and nitrogen generator (cryogenic/PSA), capacity 10M3/h-16000M3/h 5. CO2 liquefaction and purification system, capacity (10000t/year-100000t/year) 6. Dry ice press. 7. Dissolved Acetylene Equipment, capacity 40M3/h-360M3/h.