This Rules is established based on the safety risk and certification risk of household gas appliance products. It stipulates the basic principles and requirements for the implementation of China Compulsory Certification for household gas appliance products. This Rules can be used with other general rules issued by Certification and Accreditation Administration (CNCA), such as “China Compulsory Certification Implementation Rules - Manufacturing Enterprise Classification Management, Certification Mode Selection and Determination”, “China Compulsory Certification Implementation Rules - Utilization of Manufacturing Enterprise Testing Resource and Other Certification Results”, “China Compulsory Certification Implementation Rules - Factory Quality Assurance Capability Requirements”, and “China Compulsory Certification Implementation Rules - Factory Inspection General Requirements”.