Changsha Changlong Tongfei Electronic Technology Co., Ltd. was established in 2021 with the investment and support of Changsha Youbao Electrical Equipment Co., Ltd. We adheres to the strong advantages of Changsha Youbao, which has been rooted in the wiring harness industry for more than 20 years, is a research and development, manufacturing, export as one of the professional wiring harness, electrical box, electric control cabinet assembly, connector and other auto parts one-stop personalized customized solution provider.The products are widely used in aerospace, transportation, medical treatment, communication, home appliances and many other fields.The company has passed ISO9001 and IATF16949 international quality management system certification, and has successively obtained 3 national patented technologies. The products are exported to well-known enterprises in more than 30 countries and regions around the world, and are highly praised by the customers. Our partners: SANY, SUNWARD, ZOOMLION, BYD, FOTON,CRRC etc.Looking forward to becoming your loyal business partner, common development, and create a win-win situation!