2, a copy of the business license of the enterprise legal person;
3, measurement standards assessment, measurement and verification of personnel assessment of the materials (metrological verification certificates, certificates of the relevant inspectors);
4, quality management, measurement management documents (or system);
5, measurement and verification procedures or verification method text;
6, measuring instruments type approval certificate or prototype test certificate of compliance. p>5, metrological verification procedures or test method text;
6, measuring instruments type approval certificate or a copy of the prototype test certificate;
7, complete design drawings, process documentation and filing or registration of product standards text.