Certification
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national standard
National standards are the core of China's standardization system and are approved and issued by the Standardization Administration. They have the broadest scope of application and the highest authority, and are the reference basis for industry, local or -
Team standard
Group standards that quickly respond to market changes are independently formulated and released by local or group according to market demand, and they usually have higher technical requirements than national standards, aiming to enhance the market compet -
Industry standard
Industry standards are developed for the uniform technical requirements of a certain industry in the country, they play a role in the absence of corresponding national standards, but must be coordinated with national standards. The development cycle of in -
Enterprise standard
Enterprise standards Internal management and service specifications Enterprise standards are internal specifications formulated by an enterprise according to the characteristics of its own products or services. They are an important reference for the inte
