The Union Machinery Industrial Co., Ltd. was established as a professional manufacturer of heat exchangers and wasted heat recovery equipment, LP HP Heater, Condenser, Pressure Vessels for Chemical Power Plant and other Thermal Power Plant. As the leading manufacturer of air cooler exchanger, waste heat recovery and other energy-saving related equipment, Union Machinery Ind. Co., Ltd. whose trade mark is known as high frequency welded fin tube. But also started to produce new products, such as serrated fin tubes which aluminium and copper imbedded, knurled and perforated type, and oval fin tubes by investing intensively in new equipment and technology. Our products are manufactured to the highest quality standard, providing superior value at competitive prices. The company acquired the ASME stamp S.U.PP. in November 1989 and obtained permission to manufacture the special facilities(such as gas storage tanks, pressure containers, etc.) in September 1990. At the same time it also won public recognition for its quality and manufacturing technique. We believe that the best way to build ever-lasting relationship with customers is to provide top quality products and services. We hope this document would serve you more advantages through mutual cooperations.