Shanghai Zhouxin Electric Co., Ltd. is a professional manufacturer of dry-type vacuum on-load tap-changers. The company boasts first-class technical personnel nationwide, with years of practical experience and strong capabilities in new product development. Our workforce is highly qualified, equipped with CAD mechanical design systems and microcontroller software development capabilities. We have a full range of mechanical equipment, and our advanced computerized testing systems ensure product quality.

Since its establishment, the company has conducted analyses and comparisons of products from other manufacturers and has implemented numerous technical innovations based on the original product designs. The company currently produces dry-type vacuum on-load tap-changers for three-phase power transformers at the 35KV voltage level, as well as single-phase dry-type vacuum on-load tap-changers for arc suppression coils; dry-type vacuum on-load tap-changers for three-phase power transformers at the 20KV voltage level and single-phase dry-type vacuum on-load tap-changers for arc suppression coils, along with air-type on-load tap-changers for three-phase power transformers at the 20KV voltage level and air-type on-load tap-changers for arc suppression coils; dry-type vacuum on-load tap-changers for three-phase power transformers at the 15KV voltage level and single-phase dry-type vacuum on-load tap-changers for arc suppression coils, along with air-type on-load tap-changers for three-phase power transformers at the 15KV voltage level and air-type on-load tap-changers for arc suppression coils; and dry-type vacuum on-load tap-changers for three-phase power transformers at the 10KV voltage level and single-phase dry-type vacuum on-load tap-changers for arc suppression coils, along with air-type on-load tap-changers for three-phase power transformers at the 10KV voltage level and air-type on-load tap-changers for arc suppression coils. The rated current can reach up to 300A. The main technical performance indicators of our dry-type vacuum on-load tap-changer series products are all at the domestic advanced level, have passed relevant industry appraisals, and comply with GB10230, GB/T10584, and IEC214 standards.

Our products cause no environmental pollution and are environmentally friendly. The company is equipped with comprehensive testing facilities and high-standard supporting manufacturers, employs a team of highly qualified professionals, and possesses the capability to maintain, service, and retrofit dry-type vacuum on-load tap-changers produced by other companies.

Next year, our company will launch a new generation of dry-type vacuum on-load tap-changers that will replace the current spring-energy-storage type switches, offering customers a product with superior cost performance.

Shanghai Zhouxin Electric Co., Ltd. adheres to the principle of "People-oriented, Integrity and Trustworthiness" in serving our customers. With advanced process equipment, strong technical expertise, and a comprehensive quality assurance system, we ensure the excellent quality of our products, and we have obtained ISO9001 certification. Building on years of experience in the research, development, and production of dry-type vacuum on-load tap-changers, our company will continue to introduce products with superior performance and greater reliability, providing the best products and optimal after-sales service to both new and existing customers.