Nanjing Zhongdi Zhichuang Technology Co., Ltd. is a provider of innovative power‑system products and services. 1. Testing Reports: The company has established deep‑level partnerships with renowned power‑testing institutions, including the State Grid Electric Power Research Institute, the China Academy of Electrical Sciences, Cape Laboratory, Wuhan High Voltage Research Institute, Xi'an Jiaotong University's Power Research Institute, and Shenyang Fire Protection Research Institute, serving thousands of enterprises. 2. Core Product Offerings: Tunnel online monitoring systems; video surveillance systems; substation online monitoring systems (including SF6 gas monitoring, surge arrester online monitoring, partial discharge monitoring, core and clamp monitoring, and wireless temperature‑and‑humidity monitoring); anti‑terrorism systems; intelligent auxiliary and environmental‑control systems for substations and distribution rooms; and transmission line online monitoring systems.