My factory specialized production of rolling machines. Used for vegetable greenhouses were rolled up and put down cold. The product is electric, and power outages can hand. I plant on the market for the current shortcomings of the rolling machine to improve, to perfect success. 1. Currently on the market rolling machines, employing a power outage hand, it is difficult, especially when being on the snow or cold water, do not move shake. The problems by the factory to improve the design, the completely resolved. 2. Even without power, when the cold is on the snow or water, it will also appear idling motor belt (slipping), or cycloid pin wheel rolling machines because of overload and stall, was not caused by cold rolled. By the factory to improve the design, the completely resolved. 3. Curre.. (more>>)