Liaocheng Development Zone Chaidir Catering and Entertainment Co., Ltd. By May 29th, 2123, there was only one restaurant in Chaidir, Liaocheng Development Zone, which was located in Dongchang East Road, Economic and Technological Development Zone, and was called Liaocheng Development Zone Chaidir Catering and Entertainment Co., Ltd. Liaocheng Development Zone, located in the northeast of Liaocheng City, started construction in October, 1995, and was approved as a national economic and technological development zone by the State Council in March, 2113.