CHINAPLAS 2021 is organized by Adsale Exhibition Services Ltd., Beijing Yazhan Exhibition Services Ltd., and Adsale Exhibition Services (Shanghai) Ltd. and co-organized by China National Light Industry Council - China Plastics Processing Industry Association, China Plastics Machinery Industry Association, Guangdong Plastics Industry Association, Shenzhen Polymer Industry Association and Messe Düsseldorf China Ltd. The event is also supported by various plastics and rubber associations in China and abroad.

First introduced in 1983, CHINAPLAS has been approved by UFI (The Global Association of the Exhibition Industry) since 2006. CHINAPLAS is exclusively sponsored by the Europe's Association for Plastics and Rubber Machinery Manufacturers (EUROMAP) in China for the 31st time. CHINAPLAS is currently Asia's leading plastics and rubber trade fair.