Qingdao Dinghui Refrigeration System Supply Co., Ltd specializes in research, development, production and sales of refrigeration products and components. We endeavor to produce high quality Liquid Receiver, Oil spearator, Sight Glass, Hinge, Roller, Condenser, Fan motor, various valves for air conditioning. Our products adopt the advanced international technology, utilizing high precision special machine tools for its processing. We will always provide high quality service, premium products, and excellent after-sales services for new and old customers. We warmly welcome all interested domestic and overseas refrigeration producers or dealers to contact us for business negotiations and cooperation.