1. Incoming inspection and test: incoming inspection of all raw materials of the company to ensure that the materials flowing into the production and processing links are qualified items.

2, production process inspection and test: responsible for the product in the production process inspection, to ensure that the process meets the standards, only meet the requirements and standards of the semi-finished products can enter the next process to continue production.

3, finished product inspection and test: responsible for inspection and test of finished products, to ensure that only qualified products can be factory sales, enter the market.

4. Each inspection link needs to carefully make testing records, form quality inspection reports, and notify relevant staff.

Workflow of quality control

Quality inspection is a process that generally includes the following steps:

(1) Clear quality requirements. According to the engineering construction (product) technical standards, clear inspection items and quality requirements of each H.

(2) Measurement test. Specify appropriate methods and means to determine products in order to obtain correct quality characteristic values and results.

(3) Comparison. Compare the test data with the quality requirements specified in the standard.

(4) Judgment. According to the results of comparison, the quality of construction is judged to be qualified or unqualified

(5) Processing. The unqualified products shall be marked, stored in isolation, and the data obtained and the judgment results shall be fed back to the relevant departments in order to encourage them to improve their quality.