Nanjing TC Tech Co.,Ltd.

Nanjing TC Tech Co., Ltd. was founded in 2018, located in Nanjing, JiangSu Province, in the Shanghai Economic Circle. 
As a fast-growing enterprise, TongChang achieves many certificates audited by SGS, BV and UL. Equipped with professional sales team and world-class production and testing facilities, TongChang has proven to have a good reputation in both international and domestic markets.
TongChang keeps pace with times and pay high attention to R&D work, and offers OEM, ODM and OBM services. Our technical team does well in the filters' test standards in USA and in Europe. With the leading R&D team, TongChang develops a number of the technical patents. TongChang is rated as "high-tech enterprise" by the government in 2020. 
With premium quality products, good service and rich experiences, TongChang is confident in working with clients to get competitive advantages in various markets. 
Look forward to establishing the long term cooperation with you.