Hangzhou shenshi heat exchanger Co.Ltd.is a patened manufacture of coaxial heat exchanger in China.Shenshi coaxial heat exchanger tube is multi-spiral twisted and have higher heat transfer efficiency and lower pressure loss,which make it very suitable to heat pump systems .Due to the equal distance between the spiral channels twisted inner tube and outer tube.it is favourable to refrigerant collection.Shenshi coaxial heat exchanger tube could be made from coper ,cupronickel,aluminium bronzem,stainless steel ,titanium and so on. Shenshi coaxial heat exchanger is be widely applied on water chiller , air source heat pump,water source heat pump,geothermal heat pump,marine heat pump,pool or spa heat pump ,laser chiller ,oil cooler ,thermal equipment and other air-conditioner and refrigeration machines such as medical process equipment ,food processing machine ,chemical processing equipment. Our quality policy is technology leading ,outstanding quality,excellent service,and continual improvement .We have first-class technology team, advance facilities ,strict contronlling on the production and quanlity process,integrated regulate system.Our ISO 9001:2000 ,UL and Rohs are approved .We will wholeheartedly offer satisfied products and service for you. We will be the best is our slogan.We sincerely hope to cooperate with you and to be your best partner in the future.