Our Factory


    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".

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Production Equipment


    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.

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