Zhongtong Tongxun has opened up product certification channels in 153 countries and regions, and can provide customers with the fastest and most efficient certification services on a global scale.
(0086) 755 8611
Shenzhen Zhongtong General Testing Technology Co., Ltd. (referred to as: Zhongtong Tongxun) was established in Shenzhen in 2009. It was formerly known as Shenzhen Zhongtong Tongda Testing Technology Co., Ltd. It is a collection consulting, factory counseling, testing and certification consulting. Comprehensive testing and certification company.