kejian Holding is located in the west industrial area of Songjiang District, Shanghai with an area of 20,000 square meters. We own four subsidiaries: Kejian Polymer Material (Shanghai) Co., Ltd, Shanghai Kejian Chemical Co., Ltd, Shanghai Xinke Composite Material Co., Ltd and the UK branch "TOP BEST Ltd".
We have advanced production equipment and high-tech laboratories, with a number of butyl tape production line. And the product line can produce a large amount amount of butyl tape. Also the product can be processed and formed according to customer needs.