The large welded structures of rail type single beam semi-gantry cranes such as trolley, cable drum, bogie frame etc, through gas annealing furnace annealing treatment to guarantee product after-welding precision, We has car-gas annealing furnace, net size inside the furnace is 10000mmx4000mmx4000mm car-gas annealing furnace, can meet all kinds of small medium and large welded structure stress relief annealing after welding on the crane such as trolley, cable drum, bogie frame, balance beam,spreader.

Safety system
1. Weight overload protection device.
2. Top quality long time bearing polyurethane materials buffer.
3. Crane travelling limit switch.
4. Voltage lower protection function.
5. Emergency stop system.
6. Current overload protection system and so on!

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WHATSAPP: 008613462399043
SKYPE: ivy090311
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link:http://www.cranes-china.com