four steps to ensure product quality

Testing four steps to ensure product quality with customers?

Step 1: Test for  the raw materials.

Reject the unqualified raw materials directly.

Step 2: Test during production. 

Test the Semi-finished products.

Strictly follow the production process and production plan to avoid inferior products due to lack of production process.

Step 3: Test after the goods are finished. 

All finished goods are inspected and unqualified products must be re-produced.

Step 4: Test before shipment. 

Re-inspect the goods before shipment to ensure that the goods delivered to the customer are high quality.