1. Bitzer semi-hermetic screw compressors;
2. Mainly adopt Danfoss refrigeration parts in unit assembling;
3. R404a or R22.

Compressor: Bitzer semi-hermetic screw compressor from Germany;

Oil separator: Emerson from America;

Oil filter: Emerson from America;

Oil injection module: Bitzer from Germany;

Feeding filter: From China;

Suction filter: From China;

Oil sight glass: Danfoss from Denmark;

Group controller: Carel from Italy;

High pressure controller: Danfoss from Denmark;

Low pressure controller: Danfoss from Denmark;

Economizer: Danfoss from Denmark;

Oil cooler: From China;

Solenoid valve: Danfoss from Denmark;

Electrical parts: Siemens from Germany;

Pressure sensor: Carel from Italy;

Liquid reservoir: From China;

Refrigeration oil: Bitzer from Germany.