Large-volume low-temperature liquid storage tank: Hangyang belongs to the world’s advanced level in terms of the number, scale, maturity, and adaptation of various technical specifications of low-temperature liquid storage tanks, and supplies all well-known air separation manufacturers worldwide. The operating performance of LNG storage tanks has reached 10,000m3, and the design capacity can reach up to 30,000m3. The operating performance of liquid oxygen and nitrogen atmospheric storage tanks has reached 10,000m3, and 14000m3 storage tanks are being designed and manufactured. The largest domestic 487m3 vacuum storage tank is exported to New Zealand.