When the item sells the suppliers can restock it. Blanket purchase order-BPO: A purchase of low value goods and services from a single vendor. 商品卖出后供货商就会再进货。一揽子购货定单(简称BPO):指从单一销售商购买低值货物和劳务。
The buyer will periodically issue blanket Order ( s) to the supplier. 买方将定期向供应商发布一揽子定单。