Complete Set of Air Separation Plant
Complete Set of Natural Gas (Associated Gas) Liquefaction and Separation Plants
Industrial Gas & Cryogenic Liquid
Cryogenic Liquid Storage & Transportation Equipment and Vaporizers
Aluminum Plate-fin Heat Exchangers
Turbo-expanders and Cryogenic Liquid Pumps
HV & LV Electric/ Instrumentation Control System
Vessel Heads
LNG, LNG/L-CNG Filling Station & LNG Cylinders for Trucks
Pressure Vessel, Shell-and-tube Heat Exchanger, Air Cooler, Columns, & Non-standard Equipment
Equipment Installation
Sales of Various Products in International Market
Cryogenic Liquid Storage & Transportation Equipment and Vaporizers


>Main Products

• 35000~80000m3 Large-sized LNG Tank;

• 300~8000m3 Low Pressure Cryogenic Liquid (LOX/LIN/LAr) Flat-bottom Tank;

• 3~250m3 Vacuum Insulated Cryogenic Liquid Tank (Powder insulation, high vacuum multi-layer insulation);

• 0.6~120m3 Cryogenic Liquid Tanker (LOX/LIN/LAr, LNG, Ethylene, Liquid Hydrogen, Liquid Carbon Dioxide and etc.);

• 1000~100000Nm3/h Water-bath Cryogenic Liquid Vaporizer;

• 100~8000Nm3/h (single) Air- heated Cryogenic Liquid vaporizer;

• High Vacuum Multilayer Insulation Liquid Hydrogen Tank;

• Class I , II&III Pressure Vessels.

>Technical Features
SASPG is the largest and earliest company in cryogenic storage and transportation equipment design, manufacturing and marketing in China, which has provided equipment for the space industry, metallurgical industry, petrochemical industry, chemical industry, machinery building industry , electronic industry and nuclear industry with quality and performance of the equipment up to advanced level both home and abroad.

10000m3 LNG Tank 5000m3 LNG Tank
2×3850m3 LNG Tank(First domestic LNG flat-bottom tank, in 2004) China Frist Independently Designed and Manufactured 400m3 LOX/LIN Tank (1982)
LNG Tanks Taiwan Lianhua BOC-3000m3 ultra high purity nitrogen storage tank


>Liquid Hydrogen Tanks
Liquid hydrogen is an ultra-cryogenic medium with a boiling point at -253℃ , Due to its small vaporization latent heat, low boiling point and extremely high price, the liquid hydrogen storage tank should be designed to make the boil-off rate as low as possible and meanwhile, the storage tank material, especially the welds should operate safely at a temperature of - 253℃.

80m3 Liquid hydrogen storage tank group

Most of the liquid hydrogen storage tanks used in China were imported. The 80m3 liquid hydrogen storage tank made by SASPG has filled the technical gap in China and meanwhile has marked that the cryogenic storage equipment technology in China has reached a new stage.

>Double-wall Vacuum Insulation Cryogenic Liquid Tanks
This double-wall tank is of vertical, horizontal or spherical type with vacuum insulation for storing liquid oxygen, liquid nitrogen, liquid argon, LNG and liquid ethylene, which features long life, compact construction, less occupied space, concentrated control and easy operation and maintenance and has been widely used in the fields of machinery industry, chemical engineering, chemical fiber industry, metallurgical industry, medical industry, food industry, mining, and electronic industry . In addition to the existing standard products, SASPG can also tailor make the tank according the volume and pressure requirements of the customers.

200m3 Spherical Cryogenic Liquid Tank

>Cryogenic Liquid Vaporizers
The vaporizer is used to heat & vaporize the cryogenic liquids (liquid oxygen, nitrogen & argon, LNG, liquid CO2, etc.). These liquids are heated by means of air, steam or electric-heated water, which features ease of installation and operation.

The compact water-bath vaporizer and the large-finned ambient vaporizer, which features high heat-exchange efficiency and less occupied space, have been widely and made good reputation from the customers.

Water-bath Vaporizer
Open-rack Vaporizer


>Cryogenic Liquid Tank
The cryogenic liquid tanker consists of cryogenic liquid tank, truck or semi-trailer, operation cabinet, cryogenic liquid pump (the pump is supplied at the customer’s request), pressurebuilding unit and metallic hose. The tanker has been awarded Sichuan Provincial Top Scientific&Technological Prize. The tankers made by SASPG are now listed in the catalogs of “China National Vehicle Manufacturers and Their Products” issued by Chinese Ministry of Public Security and China National Development&Reform Commission and have been 3C Certified.

56m3 LNG Tanker
35m3 Cryogenic Liquid Railway Tanker
  ©2010 Sichuan Air Separation Group
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