Han Zhong compressor running smoothly low noise, low prices until more users trust, and the market share of the largest compressor inside! It is done in the field of technology is very mature, relatively humane, such as a gasket when removing easily, circuit design is simple and inexpensive to its greatest advantage is the price, the corresponding amount of maintenance to large. If large compressor noise, first to see if the machine into the water and repair through the motor, if the system is repaired due to bearings in the repair system does not protect the machine, affecting bearing life! Need to replace the bearings. In addition, the oil supply screw bearing damage exacerbated by poor sweep bore big noise! (In need of replacement bearings) Tel: 010-57252758 18612215232 Zheng