https://jieithai.com JIEI (Thailand) Co., Ltd. was founded in November 2011 as a member company of the Kasei Kogyo Co., Ltd. group. Active in business since 1966, the Kasei Kogyo group, with a core focus on rubber extrusion for automobile use, has arrived at the present together with the development of the world's automotive industry. Through a variety of processes, from planning and development in industrial methods to production, we place a priority on responding to global demands and are involved in precision and quality product manufacturing using advanced technology that can respond to the needs of many types of customers, all from our bases in not only Japan but also North America, China, and Asia.