Harbin Shuangzheng Electric Equipment Co., Ltd. is a professional manufacturer of oil-immersed transformers, dry-type transformers, box-type substations, and other electrical equipment. The company boasts a complete and professional team, strong technical capabilities, and comprehensive after-sales service. Our main products include S11, S13, SBH15 (amorphous alloy), SZ11 (with-load tap-changing), D11 (single-phase), high-overload expanded capacity transformers, voltage transformers, and oil-immersed transformers, as well as SCB10, SCB11, SCB13 resin-insulated dry-type transformers, box-type substations, switchgears, and high-voltage and low-voltage complete sets of equipment. The transformer technical standards are in accordance with GB1094.1-2013, GB1094.2-2013, GB1094.3-2017, GB1094.5-2008, GB1094.10-2003, and GB/T6451-2015 requirements. Our product quality meets national standards, and we have established a comprehensive after-sales service team. We specialize in the repair, mai...