No fixed point control hoist

The non-fixed point control discharge winding machine is independently researched and developed by Jinzhou Tiansheng Heavy Industry Co., Ltd. being the lifting equipment of patented technology (patent No.: ZL 2012 2 0719776.5), able to perform remote operation, saving labor, and can realize automatic pull and reversing interlock control, avoiding phenomenon of pulling against each other, being safe and reliable for operation.