Several companies, including Sinopec Sichuan Vinylon Plant, Chongqing Hongyuan Industrial Co., Ltd., Fujian Yong'an Zhisheng Chemical Co., Ltd., Guangxi Liuzhou Chemical Co., Ltd., and Juhua Co., Ltd., have successfully commissioned new food-grade carbon dioxide production lines built using Hangzhou Kuai Kai Co., Ltd.'s patented and proprietary technologies in accordance with international quality standards. These facilities have subsequently obtained quality certification from The Coca-Cola Company.