同创净化集科研、开发、制造与销售于一体，成立至今一直与中国建筑科学研究院空气调节研究所合作生产研发过滤产品，两次参加了GB/T-13554《高效空气过滤器》国家规范的编制工作，历来以技术为先导、产学研相结合，为各领域提供整体空气净化技术解决方案。

   经过二十余年的发展，同创净化已拥有两家独立分公司：ledong.com(中国)官方网站和北京同创空气净化设备厂。主要经营：各种型号高效空气过滤器、亚高效过滤器、超低阻过滤器、中效过滤器、粗效过滤器、化学过滤器、高效送风口和超低阻风口等产品。工厂现已开发生产了上百种种类、规格的空气净化产品，已经成功地应用在包括医疗卫生、生物制药、科研院校、检验检疫、畜牧兽医、核工业、食品、农林、光电、能源、航空航天、汽车制造、精密仪器等的诸多行业和领域的洁净场所，并出口日本、新加坡、韩国、东南亚、西亚和非洲等海外市场，获得了最终用户的一致认可。创造良好的企业环境，以全新的管理模式，完善的技术，周到的服务，卓越的品质为生存根本，我们始终坚持用户至上、用心服务于客户，坚持用自己的服务去打动客户。

      As a Air purification equipment manufacturer with R＆D and sale,TC-air Co.,LTD. have been working with the Institute of Building Environment and Energy of CABR to develop filtration products since we were set up . Two times participated in the compilation of the GB/T-13554 national standard for high efficiency air filters. Technology has always been the guide, Industry-University-Research Collaboration. We provides a whole air purification solution for various fields.

      After more than twenty years of development, TC-air Co.,LTD. has two independent companies: Tianjin TC-JunQi purification equipment Co., Ltd. and Beijing TongChuang air purification equipment factory. Main business: various types of HEPA, subefficient filter, ultra low resistance filter, medium efficiency filter, roughing filter, chemical filter, high efficiency air vent and ultra-low resistance air outlet and other products. The factory has now developed and produced hundreds of kinds of air purification products of various kinds and specifications. It has been successfully applied to many industries and fields, including medical and health, biopharmaceutical, scientific research colleges, inspection and quarantine, animal husbandry and veterinary medicine, nuclear industry, food, agriculture, forestry, photoelectric, energy, aeronautics and Astronautics, automobile manufacturing, precision instruments and so on. And exported to Japan, Singapore, South Korea, Southeast Asia, West Asia and Africa and other overseas markets, won the unanimous approval of the end users. 

       Create a good enterprise environment, with a new management model, perfect technology, thoughtful service, excellent quality as survival fundamental, We always insist on customer first and attentively serve the customers. Using our services to impress our customers.