Bochi Refrigeration Machine (Dalian) Co., Ltd. is located in Dalian City, is a dedicated to the advanced refrigeration equipment and technology to provide modern new enterprises, the company as Japan Kobe Steel Screw Refrigeration Compressor distribution and technical service center in China,Our products include freon semi-closed frequency conversion single stage screw compressor, double stage screw compressor, ammonia/freon large open frequency conversion double stage screw compressor, and provide freon, ammonia, carbon dioxide application technology, to help the refrigeration industry in China!