D3V series trolley mechanism
The series products are designed and manufactured on the basis of the French Patain Company's mature technologies. It is constituted with torque three-phase asynchronous motor, built-in planetary reducer, winding drum, tack and other components. The mechanism can get low, medium and high speed by voltage control and eddy current brake. The motor is equipped with an electromagnetic disk brake with features of smooth startop and braking, safe & reliable braking and accurate positioning. Thus the mechanism is most appropriate for Patain series tower cranes and can be used to replace the imported products.






SYM HOIST & TOWER CRANE QUIPMENT CO.,LTD located in Shenyang China is one of the biggest supplier and export of tower crane, luffing crane , topless crane , passenger hoist along with the spare parts for them. With 20 years' experience on tower crane rent , installation , repair and reconstruction, the company has more than 50 experienced mechanical and electrical engineer responsible for the installation guide, failure diagnosis, maintainance and reconstruction for the tower craneattheconstructionsite.
Having a long-term and good cooperative relationship with China's most famous manufacturer of tower crane and passenger hoist like YONGMAO, SANYO, Sichuan SCM, Zoomlion, GJJ, BAODA,etc. The company can offer you the best quality original tower crane and passenger hoist with most competitive price.

Also, we can provide customers with the best professional services, help customers make the right judgment, also the prompt shipment because of the largest number and most complete tower crane and passenger hoist spare parts inventory.
Our trading partners go all over the world, mainly in South-East Asia (Singapore, Hong Kong, Malaysia, Indonesia, the Philippines, Thailand, South Korea, Vietnam ), Middle East (The United Arab Emirates, Saudi Arabia, Qatar, Bahrain, Kuwait, Iran ), India, Russia, Ukraine, Brazil, etc.