Founded in 2005, Kejian Co., Ltd. is located in Songjiang Industrial Park, Shanghai, covering an area of ​​20,000 square meters. Kejian has 5 wholly-owned subsidiaries and has three operating centers around the world. Kejian has been focusing on the research and development and manufacturing of butyl glue and tape for many years, and has now become a large professional manufacturer in the global butyl glue field. With the rapid development of the company, the company's products have evolved from butyl rubber as the main body to many technical fields such as silicones, modified polyurethanes, polyolefins, PURs, acrylics and epoxy. The company's products serve many industries such as transportation, new energy, construction, power communication, refrigeration, and new retail.

As a high-growth headquarters enterprise in Songjiang District, Kejian Co., Ltd. attaches great importance to improving technology R&D and application capabilities. It has long carried out industry-university-research cooperation with universities such as Donghua University, Tongji University, Jiangnan University, Hainan University, and Hainan University, and has more than 100 patents. At the same time, he has taken the lead in the formulation of a number of national and industry standards for butyl sealing materials. It has successively won honorary titles such as the national-level specialized and specialized "Little Giant" enterprise, Shanghai specialized and specialized and specialized enterprise, Shanghai high-tech enterprise, Shanghai expert workstation, Songjiang District Enterprise Technology Center, Songjiang District Patent Pilot Enterprise and other patents.

In order to meet the application needs of different industries, "environmentally friendly automotive hot melt damping film" and other "bottleneck" products have been innovatively developed. They take into account the unique properties of a variety of materials, with non-toxic, low-aldehyde VOC, high performance and low density. Advantages are expected to replace asphalt and become the mainstream product in the industry. At the same time, five "bottleneck" products, including "high-temperature resistant vacuum sealing tape" and "room temperature pre-vacuum sealing tape" jointly developed with COMAC, are about to enter the mass production stage. The first batch of sealed butyl glue developed for Huawei Technology's 5G base stations has also been promoted and used globally.

In the future, Kejian Co., Ltd. will continue to follow the business philosophy of "service, innovation, unity and development", continue to increase R&D investment, strengthen team building, and serve customers with care, work with various subsidiaries to optimize business management, strengthen market development, and seek high quality. Quality development and build a benchmark enterprise for environmentally friendly new materials.