Shanghai Kejian Chemical Co., Ltd. is devoted to the research and development of new and high technology products. With good development ability and advanced techniques, Kejian produces all kinds of water-proof butyl tapes and related sealants for car industry and building industry. Our main products are 'Top Best' filling sealants, 'Top Best' butyl tapes, 'Top Best' butyl tapes for window & door industry, 'Top Best' butyl sealants for steel construction, 'Top Best' hot-melt butyl sealants for pane industry, silicon sealants and polyester sealants.

Technical innovation is always the driving force during our development. It is an essential start for a company to meet different customers' requirements. We will perfectly combine modern technology and traditional practice to build up product systems.

We have built up an excellent quality control system. With full implementation of ISO9001 system, quality is in the good level. Our customers praise us as the most reliable partner. Furthermore, we can produce goods according to Chinese GB, DIN, ASTM, EN and JIS standards.

With the fast development of modern industry, environmental pollution has become a serious problem in the world. We also focus on environmental protection and we have been supervising every process during production to eliminate the second pollution. We take over social responsibility. We will get ISO14001 certification later.

'Best In Class' is our aim in the sealant industry. We are cooperating with many international enterprises and we will continue to develop ourselves to meet more customers' expectation.