Changsha Hurge Industrial Co., Ltd. is a joint-stock enterprise specializing in the research and development, production,sales and service of refrigeration fittings, and also a domestic enterprise specializing in the research and application of cold-extruded ring connection technology of metal tubes, which has been widely used in refrigeration system pipelines for refrigerators, air-conditioners, heat pumps for clothes dryers, water dispensers, dehumidifiers and other refrigeration systems. The company has nearly 10,000 square meters of R & D, production, sales in one of the integrated building, modern production workshop, fully automatic and Hurge ring production equipment, automatic visual inspection equipment, automatic counting and package equipment and a series of intelligent equipment. The company has built a professional ring connection technology experiment center and testing center. The company has more than thirty national patents and soft writings, passed ISO9001, ISO14001 management system certification and Our products are UL certified. Metal pipe cold extrusion connection technology is a kind of connection carried out at room temperature, through the plastic deformation of non-ferrous metal pipe to achieve the effect of locking and sealing, the process is mainly used in refrigeration home appliances pipeline connection instead of flame welding. It’s reliability, safety, operational difficulty factor, environmental friendliness. Compared with the fire welding, It has absolute advantages.