Zhejiang Xinchang SXJK Co., Ltd is a Sino-America joint enterprise which is invested by Zhejiang Xinchang Sanxin A/C fans Co., Ltd and America companies. Our company is mainly engaged in coaxial coils and air conditioner fans. Coaxial coils have an advanced multi-spiral twisted configuration. This multi-spiral twisting features caused enhanced the heat transferring rate and decreased pressure drop which make coaxial heat exchanger is well applied to heat pump systems. The equal difference between the jacket tube and exchanger tube lets coaxial heat exchanger have a good oil collection when it is used as evaporator. Also, coaxial heat exchanger could be widely used in water chiller, water source heat pump, air source heat pump and geothermal heat pump. Coaxial heat exchanger has a lower cost compared to other specialized heat exchanger tubing. We have several series for your selection in the product lists. As an OEM supplier, our company looks forward to establishing business relations with you.