Shanghai Yiying Crane Machinery Co., Ltd. was established in 1992, specializing in designing and manufacturing pallet jack ,manual chain hoist, lever hoist, electric hoist and other lifting products(China pallet jack)
Shanghai Yiying Hoisting Machinery Co., Ltd. is a professional manufacturer and service provider of hoisting machinery, with a leading position in technology and resources in China.(China pallet jack)
We are one of the biggest manufacturer specialized in hoist for more than 30 years in China(China pallet jack)
When driving, the boom must be removed, and then installed with different lengths according to the needs of on-site operation conditions after arriving at the fixed site;The following working conditions must be met before lifting operation:
Working principle of electric hoist motor: zd1 three-phase AC conical rotor motor is the driving force for the lifting of the electric hoist, zdy1 three-phase AC conical rotor motor is the driving force of the electric trolley,