quality system certificate

quality system certificate 关于quality control certificate certificate of quality &weight and phytosanitary certificate what is quality system QUALITY CONTROL CERTIFICATE怎么操作? TQS quality management system 是什么? CERTIFICATE OF QUALITY AND QUANTITY,CERTIFICATE OF ORIGIN,PA certificate of quality中文什么意思 inspection certificate of quality issued by CIQ at disicharg certificate of quality issued by the chamber of commerce quality certificate麻烦大家帮我翻译一下,谢谢! has beeb found to conform to Quality Management System Stand