南通大正电气有限公司是各类电力变压器，干式变压器，非晶合金变压器，特种变压器和箱式变电站的专业制造企业。公司位于南通市海安高新区，距南通机场、扬泰机场仅50公里，紧邻启扬高速S28 (海安西出口)与204国道的交汇处，地理条件优越，交通便利。
        大正电气现有员工200余人，占地面积40000多平方米，注册资金5058万元，总资产2.45亿元。公司技术力量雄厚，拥有专业技术人员50余人，形成了技术员，工程师，总工程师层层负责的技术队伍，研发能力强，所有产品采用绘图软件和TCAD计算机优化设计，标准化、规模化生产，确保每一台产品的品质。公司通过了ISO9001质量管理体，ISO14001环境管理体系认证。
        公司主要产品：10kV、20kV、35kV级S11、S13系列油浸式变压器(含能效NX1、能效NX2、能效NX3)； 10kV、 20kV、35kV级SC(B)系列真空环氧浇注式干式变压器(含能效NX1、能效NX2、能效NX3)； 10kV、 20kV、35kV非包封( SGB系列)真空浸漆干式变压器、35KV以下高低压成套柜（KYN28.MNS.GGP）、SH15系列非晶合金油浸式变压器和SHB系列干式变压器、各类特种变压器及各类YB系列箱式变电站，ZG系列组合式变电站。公司开发生产的变压器均已通过国家变压器质量监督检测中心的型式、特殊试验。
        公司生产能力：现代化的生产厂房10000平米、优良的生产设备、产品检测装备和各种新工艺专用配套装置300多台套，为制造性能优良，结构新颖，低损耗，低温升，低噪音，耐冲击，抗短路的产品提供了可靠的软硬件保证。单台制造容量：干式变压器10000kVA，油浸式变压器25000kVA，年生产能力20000MVA。
        大正秉承“以客户为中心”的核心理念、“好的品质，好的服务，好的信誉，优先客户需求”的企业精神，长期坚持“”真挚合作，诚信共赢”以诚信赢得客户信任，赢得市场。
        为客户提供有竞争力的产品和服务，降低客户的成本，提高客户的竞争力和盈利能力是大正的立身之本，发展之源愿我们携手合作，共同发展！

        Nantong Dazheng Electric Co., Ltd. is a professional manufacturer of various power transformers, dry-type transformers, amorphous alloy transformers, special transformers and box-type substations. The company is located in Hai'an High-tech Zone, Nantong City, only 50 kilometers away from Nantong Airport and Yangtai Airport, and close to the intersection of S28 (Hai'an West Exit) of Qiyang Expressway and 204 National Highway, with superior geographical conditions and convenient transportation.

        Dazheng Electric has more than 130 employees, covering an area of more than 20000 square meters, with a registered capital of 50.58 million yuan and a total asset of 145 million yuan. The company has a strong technical force, with more than 50 professional and technical personnel, and has formed a technical team of technicians, engineers, and chief engineers at all levels. It has strong research and development capabilities. All products are designed with drawing software and TCAD computer optimization, standardized and large-scale production, to ensure the quality of each product. The company has passed the ISO9001 quality management system and ISO14001 environmental management system certification.

        Main products of the company: 10kV, 20kV, 35kV S11, S13 series oil-immersed transformers (including energy efficiency NX1, energy efficiency NX2, energy efficiency NX3); 10kV, 20kV, 35kV SC (B) series vacuum epoxy cast dry-type transformer (including energy efficiency NX1, energy efficiency NX2, energy efficiency NX3); 10kV, 20kV, 35kV non-encapsulated (SGB series) vacuum impregnation dry-type transformer, SH15 series amorphous alloy oil-immersed transformer and SHB series dry-type transformer, various special transformers and various YB series box-type substations, ZG series combined substations. The transformers developed and produced by the company have passed the type and special tests of the National Transformer Quality Supervision and Testing Center.

        The company's production capacity: modern production plant with 10000 square meters, excellent production equipment, product testing equipment and more than 300 sets of special supporting devices for various new processes provide reliable software and hardware guarantee for products with excellent manufacturing performance, novel structure, low loss, low temperature rise, low noise, impact resistance and short circuit resistance. Single manufacturing capacity: dry transformer 10000kVA, oil-immersed transformer 25000kVA, annual production capacity 20000MVA.

        Dazheng adheres to the core concept of "customer-centered" and the enterprise spirit of "good quality, good service, good reputation, priority to customer needs", and has long adhered to the principle of "sincere cooperation, win-win cooperation with integrity" to win the trust of customers and win the market with integrity.

        To provide customers with competitive products and services, reduce customer costs, and improve customer competitivene