Above-ground double-shell metallic tank

The strength of tank for the earthquake and wind shall be carefully analyzed by computer and also the tank shall be manufactured enough to endure all the stress.

Above-ground double shell tanks with suspended deck

The outer shell is replaced by the high safety dike which is provided wit a roof . Any leakage from the inner shell will be prevented from reaching the environment. Concrete is resistant to corrosion, and ensures long service life, while dispensing with paint coating Adaption of prestressed concrete with further enhance earthquake-resistance.

Above-ground triple shell tanks with concrete outer shell and double metallic inner shell.

Independent primary inner tank inside the secondary inner tank provides for additional safety by containing all leakage from the primary tank within the secondary inner shell.