The company has developed FREECOOL brand AC/DC multifunctional cold and hot cabinet (car-mounted refrigeratory), hotel series ice chest, living room wine cabinet and insulated cabinet. The products are really noiseless, Freon-free, compressor-free environmental protection, which adopt special designed cooling system and discard traditional refrigeratory compressor. Its development changes the domination situation of traditional compressor refrigeration. It is significant for protecting the global environment and ozonosphere.