Founded in 2005 with a registered capital of 53.9 million yuan, Kejian is located in Songjiang District, Shanghai, with its own factory building area of 29,000 square meters. The company has three wholly-owned subsidiaries and four operating centers around the world: Shanghai headquarters, Southern Marketing Center, Northern branch and European Marketing center.

Over the years, Kejian has focused on the research and development and manufacturing of butyl adhesive and tape, taking the pursuit of excellence and providing quality products as its responsibility, and has become a large-scale professional manufacturer in the field of butyl adhesive in the world. With the rapid development of the company, the products from butyl rubber as the main body, developed to silicone, modified polyurethane, polyolefin, PUR, acrylic and epoxy, etc., serving the construction, transportation, aerospace, new energy, communication power and new retail and other fields.