The owner of a crane or winch shall ensure that the exhaust steam from and so far as practicable live steam to any crane or winch does not obscure any workplace at which a workman is employed.

There is an interesting feature about the spring, that is, the steam of its boiled water will circle around the rim of cup and show a image just like the shape of a crane.

Since being erected, the crane has hoisted a large number of bulky and heavy equipments for Hangzhou Boiler Factory, Hang Yang, Hangzhou Steam Turbine Co.