Beijing Ling Cheng Hua Qiang Technology Co., Ltd. is a professional service provider specializing in the maintenance of major brands of central air conditioning refrigeration equipment, screw compressors, centrifugal compressors, reciprocating compressors, and more. We offer sales, installation, maintenance, and after-sales service for refrigeration equipment. Our after-sales service is efficient, and our technical staff are highly qualified professionals who have undergone specialized traini…