Zhejiang Extek Technology Co., Ltd.was established in 2004 and located in Anji Economic Development Zone, Zhejiang Province. Extek is a specialized national level high-tech enterprise of high-efficiency heat exchanger including coaxial coils, shell and tube heat exchanger with distributor, big dry evaporator, falling film/full liquid shell & tube heat exchanger, evaporative condenser, liquid- cooled radiator, ext. Extek has been committed to the research and development of energy saving and environmental protection and efficient new heat exchanger, has a number of invention patents. Extek is the domestic heat exchanger industry leader and was responsible to draw up the National Standards of 《Coaxial heat exchanger for refrigeration equipment and air-conditioning》 and the Industrial Standards of 《Shell and tube heat exchanger with distributor》. Based on the advanced technology, good quality products and service, Extek earns high trust from customers, established long-term stable cooperation with many first-class companies at home and abroad and also became their core strategic supplier. Extek has been awarded by many companies as “Strategic Cooperative Supplier”, “Excellent Partner”, “Excellent Quality Award”, “Technology Innovation Award” and so on. Extek was rated by China energy conservation association as 2017 Beijing "winter clean heating" air source heat pump industry excellent parts and auxiliary suppliers, and the excellent parts supplier of China heat pump industry during 2018~2020.Based on the advanced technology, good quality products and service, Extek earns high trust from customers, established long-term stable cooperation with many first-class companies at home and abroad and also became their core strategic supplier. Extek has been awarded by many companies as “Strategic Cooperative Supplier”, “Excellent Partner”, “Excellent Quality Award”, “Technology Innovation Award” and so on. Extek was rated by China energy conservation association as 2017 Beijing "winter clean heating" air source heat pump industry excellent parts and auxiliary suppliers, and the excellent parts supplier of China heat pump industry during 2018~2020.