1) temperature -10℃～+40℃ ( when surrounding temperature is below 00C, before start-up, lubricating oil should be heated up).
2) humidity ≤85%.
3) Altitude below 1000m, no fire and explosion accident and so on.
4) It uses 380V，50Hz, 3-phase alternating current power supply and ±5% tolerable voltage difference.
5) Working grades of winch in use are M4 or M5.
6) when increasing every grade working grade, its rated pull should correspondingly reduce 20%. 

It mainly produces launching gantry crane, overhead crane and gantry crane, beam launcher, movable scaffolding system crane, form traveller, straddle carrier, tyre transportor, beam trolley, portal crane and electric winch, electric hoist and all kinds of accessories, which widely cover machinery, metallurgy, HSHCL 30 ton heavy duty hydraulic winch, electric power, railway, water conservancy, ports, terminals and other industries.

Shenghua Heavy Crane Group have more than 600 stuff, and covers 200,000 square meters. Able to self-complete lathe, milling, planning, grinding, pull, boring, rolling, drilling, punching, cutting, bending, plate rolling, plug weld, testing and heat treatment etc all kinds of process.

Our advantages:

1. More than 50 R&D personnels with advanced Science and technology.
2. More than 400 sets advanced Production processing equipment and inspection equipment
3. Independent intellectual property rights to develop energy saving bridge cranes, gantry cranes, and electric hoist
4. Obtain ISO 9001 certificate and more than 10 series of patent certificates
5. Efficient service and competitive products
6. Export more than 100 countries, like Kuwait, Dubai, Ghana, Congo, Myanmar, Vietnam, Sri Lanka, Russia, Kazakhstan, etc.