advantage：

1. The unit is designed and manufactured in strict accordance with the national industry standards, and the brand semi closed screw compressor and top refrigeration accessories are selected. The evaporator adopts high efficiency shell and tube heat exchanger (stainless steel plate heat exchanger is optional), with built-in high efficiency heat exchange threaded copper tube, which has high refrigeration efficiency.
2. The unit adopts PLC control system, which can realize startup control program, energy regulation program, shutdown control program, fault shutdown, fault diagnosis, operation time statistics, operation status display, restart recovery program, etc.