1). Single welding box girder
2). DIN/FEM standard deflection
3). Whole length CNC cutting for complete web plate, high deflection accuracy
4). High quality automatic welding and NDT inspection
5). Shot-blasting Sa2.5 for complete girder after welding, stress release
6). High tension bolts mounting between girder and legs, life time safety connection
7). Compacted gear motor driving, stepless control, harden gear, safety disc brake IP55
8). High protection class IP55, F class, 40% ED
9). Excellent driving properties, stepless control, smoothly moving
10). All hoist and crane movements are independent and can be run simultaneously.
11). Weihua independent core technology in WHL type wire rope electric hoist.