the worm reduction speeder, widely adopted by most of the construction hoist company. easy to use and maintain.
The "XIANG HE" Brand worm reduction speeder is the most widely known Hoist Mechanism in CHINA. 70% of all the construction Hoist in the world use worm reduction speeder,which is easy to use and maintain. "XIANG HE" Worm reduction speeder is one of the best, very stable and reliable.
Construction Hoist driving device