Sichuan Accuracy Test and Accreditation Co., Ltd.
The ZG’s wholly-owned subsidiary Accuracy has perfect qualifications. Its main business is third-party testing & certification services for lightning protection products, quality inspection technical services, technical consultation and technical services for testing instruments & equipment.
 
Shenzhen Tekarms Technology Co., Ltd.
The main business of the ZG’s wholly-owned subsidiary Tekarms Technology is the development, design, production & sales of lightning protection products in the railway & rail transportation industry and engineering construction.
 
Sichuan Zhongguang Tianxin Electronics Co., Ltd.
Wholly-owned subsidiary Tekzense's business covers R&D, production and sales of magnetic components, RF components, protection components and other component products.

Tianyu Technology Vietnam Co., Ltd.
Overseas business related to lightning protection, electronic components, power interface equipment, etc.