供应商AB角儿怎么定
（1）选择单一来源
1）基于过去的成功经验与某个供应商签订长期合同；
2）供应商质量服务等非常出色，无须考虑其他；
3）订单太小；
4）集中购买可获得折扣或优惠；
5）供应商会更加积极主动；
6）涉及模具等，备货工程长或备货昂贵；
7）容易安排交付；
8）使用准时化生产，无库存购买，系统合同或电子数据交换时；
9）达成和供应商的高效关系需要可观的资源和时间，因此数量越少越好；
10）单一供应源是建立合作关系的前提。
（2）选择多个来源
1）传统习惯；
2）造成竞争态势；
3）开发备份，避免意外，确保供应；
4）采购方具备协调管理多供应源能力；
5）避免供应商依赖采购商；
6）充分利用供应商尚未用的生产能力，以获得更大柔性；
7）战略原因，如军事，保证供应等，需要多供应源；
8）政策要求使用多供应源；
9）没有足够的能力满足采购方现有或未来的需求；
10）潜在的供应商在进行订货测试，需保证现供应源供货。
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