ZHTUO.ZHTUO, established in 2006, is a technology enterprise specializing in the independent R&D, design, production, and sales of various advanced current and voltage transformers, as well as primary-secondary deeply integrated instrument transformers. Located in Yueqing Economic Development Zone, the company possesses over 100 sets of instrument transformer equipment, holds multiple independent intellectual property rights, and has obtained numerous national certifications. With an annual production capacity exceeding 500,000 units of 10kV and higher-voltage transformers, it ranks among China's leading manufacturers of intelligent instrument transformers. The company's independently developed primary-secondary integrated pole sensors, serving as the core component of ZW32 smart circuit breakers, have been deployed alongside electronic sensors and FTU complete sets in Anhui Province since late 2018. These units demonstrate excellent operational performance, stable product reliability, and precise acquisition and transmission of electrical parameters. This product serves as the preferred solution for State Grid's primary-secondary integrated pole-mounted switches, garnering significant user attention. In 2019, the company invested 15 million yuan in comprehensive technological upgrades and equipment modernization. This included introducing a static injection system developed in collaboration with a German company and acquiring a complete testing system for primary-secondary integrated equipment. These investments have significantly enhanced the company's testing capabilities for electromagnetic and electronic instrument transformers. This not only enables specialized testing of complete sets of equipment as required by both power grids but also provides robust support for our company's new product R&D and production. It accelerates the development and verification processes for new products, enhances our independent type testing capabilities, and achieves consistent, large-scale production. Main products include: Combined sensors Current transformers Voltage sensors Voltage transformers Zero-sequence transformers
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