How to control the raw material quality?
1)Checking the raw material after they reach our factory------- Incoming quality control ( IQC)

2)Checking the details before the production line operated

3)Have full inspection and routing inspection during mass production---In process quality control(IPQC)

4)Checking the goods after they are finished---- Final quality control(FQC)

5)Checking the goods after they are finished-----Outgoing quality control(OQC)

Next:What equipment do you have?