Bauma China (Shanghai BMW Construction Machinery Exhibition), namely Shanghai International Construction Machinery, Building Materials Machinery, Mining Machinery, Engineering Vehicles and Equipment Expo, is held every two years in Shanghai New International Expo Center, providing a professional platform for communication and exhibition for people in the construction machinery industry.

Coupling refers to a device that connects two shafts or shafts and rotating parts, rotates together during the transmission of motion and power, and does not disengage under normal conditions. Sometimes it is also used as a safety device to prevent the connected parts from bearing excessive load, which plays the role of overload protection.

Ningbo Xuneng Machinery Manufacturing Co., Ltd. is specialized in the production of precision universal joint couplings and the development and application of transmission technology. Torque limiters are divided into two categories: steel ball type and friction type

Ningbo Xuneng Machinery Manufacturing Co., Ltd. is specialized in the manufacturing of precision universal joint couplings and the development and application of transmission technology