About usShenzhen Zhongtong General Testing Technology Co., Ltd. (referred to as Zhongtongtong Testing) is a comprehensive certification company integrating information consultation, factory counseling, testing and certification, personnel training and business cooperation.

Service projectShenzhen recognize Mastery Testing Technology Co.,At present, it 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.

Certificate inquiryTo provide our customers with the most professional global certification program, we can achieve international certification and global transfer service in 160+ countries and regions in the fastest time.

Join usWith an experienced and professional service team, we can bring the best quality and efficient service to our customers from customer service-engineering digestion-result delivery.