Shangyu beier electronic co., ltd was established in 1992 in china.   We are one of the leading manufacturers specialized in DC compressor   refrigerators and freezers popular used on cars, trucks, boats, ships   and all other DC power source       To connect our DC appliances with        solar module to work is a perfect choice for   the area with daily electricity power   shortage. The products own advantage of   low power consumption, strong cooling   performance and low environments   pollution...