what are cranes used for
- what are cranes used for
Crane Hook Scrapped Standard
When there are the following defects, the hook should be scrapped and replaced: (1). Hook surface with crack or break; (2). Dangerous section erosion rate more than 10% of the original size; (3). Dangerous section and hook neck part with pl
How the development of wind power industry will be in 2015?
Wind energy is the most promising renewable energy sources currently, it is clean, non-polluting green energy, in variety of alternative energy, and the use prospect of wind energy is the most mature. This is also got more clearly reflected
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