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　　Nowadays, casters have become an indispensable helper in people's production and life, and play a great role in all walks of life. With people's higher and higher requirements for quality, how to ensure caster quality and make it play a useful role in practical application has become the focus of many caster enterprises. Now let's talk about the three major matters needing attention in the production process in order to ensure the quality of casters.

　　The first is the inspection of raw materials. Raw materials shall be provided with complete quality certificates to ensure that the quality of the materials used can meet the design requirements. After entering the factory, all materials shall be rechecked (including chemical composition analysis and mechanical performance test of raw materials). Unqualified materials shall be resolutely prohibited.

　　Secondly, all links in the production process should be strictly controlled, and strict inspection must be carried out. There should be detailed inspection records and strict process supervision. There shall be significant inspection and experimental status marks in production to ensure that production activities are carried out reasonably and orderly. Each process shall be handed over according to the inspection mark of the inspector, and the parts without mark, fault mark and unqualified parts shall not be transferred. The next process has the right to reject products without qualified identification.

　　Then, before warehousing, the products shall be comprehensively inspected, with specific records and product identification, and have traceability. The quality assurance department shall regularly carry out quality analysis activities, timely hold quality analysis meetings for existing quality problems, timely take useful preventive and corrective measures, timely handle, record and archive them. There should also be a perfect user service system, regular service, timely feedback of quality information and timely improvement of product quality. The measuring instruments and meters used for inspection shall be calibrated regularly to ensure that the measuring instruments and meters used in production and inspection are used within the verification useful life and their usefulness.

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