IQC：The acceptance inspection of raw material into factory production in accordance with the standard,forbid the unqualified raw materials into warehouse.
IPQC：According to the process parameter,operation,use the check list of tour inspection on the production, forbid the unqualified products into next process.
FQC：According to the standard,were designated inspection products,
semi-finished products in the production process, to take timely corrective measures to correct the unqualified products.
OQC：According to products standard of finished products storage before inspection,do not let the unqualified products to enter the warehouse.
QE：To establish the quality plan,formulate the inspection specification,inspection tools,process analysis,design test,improve processing quality.