“…Hygienic standards during the production and operation process Food production and operation also lead to food safety issues; food contamination can occur in processing plants, vending stores and transportation channels, and from personnel. 50,51 Therefore, in addition to the basic general standards, China has set up 34 sets of regulatory requirements for the food production, operation, transportation and vending. On the production side, China has developed the General Hygienic Practice for Food Production GB14881-2013, the General Hygienic Practice for the Production of Food Contact Materials and their Products GB 31603-2015 and the Hygienic Practice for the Production of Food Additives, which set hygienic requirements for food, food additives and food contact materials and products, mainly concerning the production, collection, processing, packaging, storage and transportation of raw materials, and other aspects of the premises, equipment and personnel hygiene.…”