是否有批核合格供货商的程序，或其交货的文件，如物料单据或生产日期等？

Does the vendor have a process to qualify their suppliers, or to qualify the delivery batch with material certificates, date of manufacturing document, etc.?

youdao

是否有批核合格供货商的程序，或其交货的文件，如物料单据或生产日期等？

Does the vendor have a process to qualify their suppliers, or to qualify the delivery batch with material certificates, date of manufacturing document, etc.?

youdao