Knkong Electric Co., Ltd (Zhengzhou Knkong Mechanical And Electrical Co.,Ltd)was established in 2012.It is a wholly-owned subsidiary of Henan Sanhe Electric Co., Ltd.We are mainly responsible for oversea market export, electronic components and technology import. the company's products have been classified into 10 categories, 30 varieties and more than 100 kinds of specifications from 40.5kV to low-voltage terminal electrical products.