Driven by the national macro-control, the reducer industry of our country has gradually developed into the main production place of the international reducer industry. On June 19, 2016, Cycloidal enveloping precision reducer, harmonic reducer, cycloidal steel ball reducer developed independently by domestic enterprises, Wheel side motor reducer 4 high precision reducer at the Shanghai International Gear Transmission equipment Exhibition with the international high-end robot deceleration device on the same stage display.