Zhejiang Maidi Refrigeration Technology Co., Ltd specialized in manufacturing 1)the household refrigerator compressors , commercial refrigeration compressor & unit, which used in R134A,R600A, R404A, R290 systems, the voltage range from 220V-240V, 110V, 12-24V . 2)liquid line refrigeration spare parts such as filter drier, liquid accumulator, Liquid Receiver , oil separator vibration absorber. 3) Air conditional condenser pump 4) Insulation copper pipe The products passed CE, CB, ETL, UL ...