At present, as maintenance parts for oil drilling machinery and equipment are gradually entering the market, driven by profits, some unqualified parts flow into the market. The performance of these parts cannot meet the requirements at all. once these parts are used, the oil drilling machinery and equipment Repairs will cause unpredictable losses to the equipment. Therefore, our parts managers must carry out quality management of the repaired parts in the warehouse. The responsibility is to the individual. Every batch of parts in the warehouse must be available for inspection. Prevent the occurrence of mechanical equipment failure from the source.