Guangzhou United A/C & R Co., Ltd. was established in 1996. As one of the largest and professional manufacturers, UAR has specialized in R&D and production of shell and tube heat exchangers, headquartered in Guangzhou China. UAR facility owns advanced CNC machines, digital tube expander machines, automatic U-tube bending machines, horizontal CNC automatic tube expanding machine and automatic welding machine, and other processing equipment. After two decades of development, UAR has obtained ISO9001, ISO14000, CE, ASME and D1, D2 pressure vessels Design and manufacturing qualifications. UAR has submitted 40 product patent applications to the State Intellectual Property Office, including 3 invention patents and 32 utility patents; 35 patents have been authorized, which has won the recognition and support of the majority of users and maintains a good brand reputation and technological leadership in the heat exchanger industry. The company's main products include shell and tube heat exchanger, dry expansion (DX) evaporators, flooded evaporators, falling film evaporators, anti-corrosion evaporators and condensers, fin coils, oil separator, and heat recovery, etc. UAR products have been sold to Europe, America, Asia, the Middle East, and other regions and countries, and supplied for industrial, commercial, and agricultural industries. UAR provides factory training and offers 24-hours online support.Shell And Tube Evaporator manufacturers website:http://www.heatexchangermaker.com/ website2:http://www.uarshellandtube.com/