purchase orders and purchase contracts
...商清单/合格供应商清单Suppliers list and qualified supplier list 采购单、采购合同 Purchase orders and purchase contracts 来料中免检产品的质量保证书Quality guaranty for exempt from inspection of incoming material/Receiving and distribution ..
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purchase orders and purchase contracts
采购订单和采购合同
以上为机器翻译结果，长、整句建议使用 人工翻译 。