There are two main methods of standard classification in Chine, one is to classify according to standardized %3 bobjets , and the other is to classifier selon to the applicable fields % 3bof normes.
( 1 ) Classification selon to the object of % 3ble standard Cette classification principalement explique la nature of the standard itself.&n bsp;Il divides standards into deux categories : technique standards and management standards.%2 6nbsp% 3bTechnique standards are standards pour technique matters que nécessite to be coordonné and% 26nbsp;unifié in the field of standardisation. Management standards are standards for ;gestion ;matters que nécessité to be coordonné and unifié in the field of&nb sp;normalisation . Technique standards and management standards can be plus loin subdivisé as suit%2 6nbs;% 3a
Standards are divided into technical standards and management standards. Technique standards are divided into basic standards, product% 26 nb % 3bstandards, méthode standards, sécurité and environnement protection standards. Management standards are%2 6nbsp;divisé into national économique management standards and enterprise production management standards.
( 2 ) Classification according ;à le applicable champ of le standard Cette classification méthode is principalement&nb sp;usé to explain the field of standard application. Selon to this classification méthode% 2c the standard can be divisé into 24 categories, and according to& nbsp% 3bthe national %3regulations, each category has a fixed letter as the standard& nbsp% 3bcode. Ces 24 catégories of standards are : comprehensive ( A ) , agriculture and foresterie ( B ), médecine, santé and labor ;protection ( C ), exploitation minière ( D ), pétrole ( % 3bE ), énergie and nucléaire technologie ( F ), chimique industry ;( G ), métallurgie ( H ), machines ( I % 3b), électricien ( K ), électronique technologie and ordinateur ( L% 26nbsp;), communication and diffusion ( M ), instrument and instrument ( N ), construction ( P ), construction matériaux ( Q% 26nbsp;), road and voie navigable transport ( R ), railway ( % 3bS ), véhicule ( T ), ship ( U ), ;aviation and aerospace ( V ), textile ( W ), food ( X ), light inindustrie and culturel and living goods (% 26nbsp;Y ), environnemental protection ( Z ). Cette classification method is% 26nbsp;favorable à la formulation, review, coordination and management of standards with en % 3ble professional portée.
