Hunan Hongye Transformer Co., Ltd., established in June 1988 (formerly known as Hengyang Special Transformer Factory), is located at Songmu Industrial Park, Hengyang, Hunan. The company has the registered capital of ten million yuan, and is a key enterprise which is engaged in professional production of electric furnace transformers, rectifier transformers, etc. The company's business purpose: always put the interests of users in the first place, focus on the research of energy conservation and consumption reduction, all for the sake of users. In the past 20 years, we have made great efforts, have passed the ISO9001-2008 international quality system certification, ISO14001-2004 environment system certification and CQC mark certification, and have won the support from National innovation fund. In 2011, the company was identified as a high-tech enterprise, and has been rated as a quality management advanced unitfor many years, and our electric furnace transformers and rectifier transformers have been identified as famous brand products. The company has passed more than 10 patent applications regarding special transformer tank, multi-circuit DC smelting transformer, special transformer low voltage anti-seepage terminal, CKD oil-water cooler, etc. Ultra low loss electric furnace and rectifier transformers have passed the expert identification. Now the company has a large number of 110KV direct step-down transformers which are in online operation, and the product quality has never been involved with any problems; the products feature stable and reliable performance! At present, the development of industry is in the recession and the enterprise has low profit, so the only road for development is to dig the internal potential in combination with energy saving. In order to meet the demand of electrolytic manganese industry, all the cores of rectifier transformers that are designed and manufactured by our company are made of 27QG100 WISCO high-quality high flux and low