Kejian Holding is located in the west industrial area of Songjiang District, Shanghai with an area of 20,000 square meters. We own three subsidiaries: Kejian Polymer Material (Shanghai) Co., Ltd, Shanghai Kejian Chemical Co., Ltd, Shanghai Xinke Composite Material Co., Ltd.We specialized in the production of sealing tape, sealant, paint mist coagulant products.Our products are widely used in automotive industry, new energy industry, electronic communications and electricity industry and building industry etc. , and we have been certifieded as high-tech achievements transferring projects.We have become one of the largest and professional manufacturere of butyl sealant, adhesive tape in the world. and also have all kinds of invent patents.We have passed the ISO/TS16949 Quality Control Certification, ISO14001 Environment Control Certification, OHSAS18001 Occupational Health and Safety System Certification. Today our company has stategic cooperation with many international and dom