Semi gantry crane with electric hosit
The semi crane(door crane)could be using in outdoor or indoor.
Reasonable structure, favorable performance, smooth staring andstopping, safe and reliable traveling, low noise, commodious cabinwith good view, convenient maintenance, electricity save, excellentexchangeability for parts and components.

Some configuration can accord your demand:
1) single or double speed of the electric hoisting speed
2) three control mode: Pendent line with press button control,remote control or cabin control
3) It should be informed whether using indoor or outdoor, to fixwindproof and rainproof devices.
4) The other feasible configuration user proposes.

Design and construction rules:
All the standards which is required for the crane is the Chinesestandard

Painting:
Primer and finishing paint
Color: According to your demand.
Average thickness: about 100 microns

And we could also supply the double beam gantry crane as youractual working demand and working frequency.