Food-safe straw mushroom dark soy sauce

The common sense of old soy purchasing is as follows: 1. Certification (1) QS mark: the most basic certification mark, which is the food market access mark; (2) ISO9000 family of standards: The ISO9000 family of standards is a scientific summary of quality management in many economically developed countries. It is universal and instructive, and is a powerful guarantee for product quality; (3) HACCP food safety certification: It is a food safety assurance system commonly recognized and accepted...