Xiamen AIR-ERV Technology Co., Ltd was founded in 1996, specialized in R&D and manufacture heat recovery systems, attained the certificate of ISO9001:2008. We have 5100©O building area and completely self-contained facilities. Right now we not only have own brand \"Zhong Hui\", but also provide OEM services for many large transnational companies. We have been in the customers to establish a good reputation at home and abroad.