In the current commercial atmosphere of buyer s market, the proportional number of coupon merchandises coming from various commercial activities is becoming higher and higher, which increasingly demands systematic and scientific logistics management.

Quality management of concurrent engineering project based on rework;

In this model,activity relationship DSM was employed to describe the sequential,parallel,overlapping and time-window constraint-dependent relationships among activities,an activity probability DSM was used to describe rework and iteration during activity execution due to uncertain factors,and the activity learning ability was also taken into consideration.

With advanced MCM-D technology, MCM rework process and cooling technology, the mean time between failures of Z900MCM can reache forty years.

the economical selection of the quality level of a production process with a given sampling and reworking plan is discussed.

The paper introduces the kinds of return goods,analyzes their cause,processing way and process,discusses the function of return goods center,designs the main operation zone for the center and finally suggests to outsource the return goods logistics to 3PL enterprises.