According to the provisions of the "law of the people's Republic of China Standardization Law, protection of human health, personal and property safety standards and laws and administrative regulations to enforce the standards are mandatory standards, other standards as the recommended standard. The State encourages companies to voluntarily adopt the recommended standards. Recommended standard is mainly through economic means or market regulation so that producers or operators voluntarily adopted the standard, it can be the national standards, industry standards, local standards. Producers or operators can freely choose according to the needs of a variety of recommended standards, but once selected to become a standard must be implemented, then the "recommended" will be converted into a mandatory". Canned food standards system is mainly based on the recommended standards, but most of these standards are QS (production license) certification, so, usually as a standardized market, the basic basis for the organization of production.
