
Service Introduction
DiEn Testing provides a series of measurement and testing technology services, including power frequency withstand voltage, static load tension, DC resistance, leakage current, etc., for power safety tools used in on-site operations such as power system operation, maintenance, repair, testing, and construction. We assist power users in strictly controlling the quality of power safety tools.
Project Introduction
Some recognized measurement projects are shown below, and specific measurement projects can be viewed on the official website of the China National Accreditation Service for Conformity Assessment.

Copyright © Dongguan Di'en Testing Co., Ltd. Technical Support: Dongguan Guangsu Network Guangdong ICP No. 15086094-1
Mailing Address: Di'en Testing, Wusha Community, Chang'an Town, Dongguan City
Metrology & Calibration Contact:
Mr. Tai - Mobile: 13760389645
Ms. Li - Mobile: 15817661429
Product Testing Contact:
Ms. Yang - Mobile: 18123900885
Reliability, Failure Analysis, & Materials Testing Contact
Mr. Ye - Mobile: 13613003484
Copyright © Dongguan Di'en Testing Co., Ltd. Technical Support: Dongguan Guangsu Network Guangdong ICP No. 15086094-1