ZHTUO.ZHTUO, established in 2006 and located in the Yueqing Economic Development Zone, Zhejiang Province, is a high-tech enterprise specializing in the independent R&D, design, production, and sales of advanced current/voltage transformers and deeply integrated primary-secondary transformers. The company possesses over 100 sets of specialized equipment and multiple proprietary intellectual property rights, with an annual production capacity exceeding 500,000 units of 10kV and above transformers, positioning it as one of China's leading manufacturers of intelligent transformers. Its independently developed primary-secondary integrated pole-mounted sensors serve as the preferred solution for State Grid pole-mounted switches and have been successfully deployed in grid operations. In 2019, the company invested 15 million yuan in technological upgrades, introducing a German static injection system and a full suite of testing equipment, significantly enhancing capabilities from R&D and testing to large-scale production. Key products include composite sensors, current transformers, voltage sensors, voltage transformers, and zero-sequence transformers.