GJB common confused concepts

1、 Key process & Special process

Key process （ Key processes ）：
   The formation process that plays a decisive role in the quality characteristics of products .
   Usually include ： Form key characteristics 、 Process of important characteristics , It's very difficult to process 、 The high cost 、 Long cycle process , Unstable quality 、 A process that is easy to cause major economic losses after problems occur .
Special process （ special handicraft products ）：
   It refers to product characteristics that are difficult to measure or cannot be measured economically , The operation or maintenance of some equipment requires special skills ; Inspection and test can not fully verify the results of the process . Special process （ Or process ） It should be determined by the process department .

2、 outsource & coordination with foreign countries or with other units & purchase

outsource
   Outsourcing is to entrust all or part of a product or service to an organization for processing or service . Such as subcontractor 、 contractor 、 Commissioned processing （ service ） merchant , All belong to outsourcing .
coordination with foreign countries or with other units ：
   Organize the drawings of some products 、 process 、 Manufacturing requirements and related parts will be produced by the cooperative unit , It helps to organize and complete the production of a certain product .
purchase
   Purchasing is the direct purchase of raw materials or finished products from others .

3、 Deviation from the permit & Concession permit

Deviation from the permit ：
   In the technical status item Before manufacturing , The manufacturer considers it necessary to temporarily deviate from the approved technical status document
Concession permit ：
   In the technical state During manufacturing or inspection and acceptance , The manufacturer believes that the nonconforming products can be repaired or used as is .

4、 rework & Rework

ISO9000:201