In order to meet the frequent assembly and disassembly and repetitive batch faucet processing, it is necessary to manufacture auxiliary fixtures and mold cutting tools for various processing requirements. First, select the fixture tool and the workpiece for mold adjustment and trial processing. After passing the first piece inspection, it will be formally mass-produced. During the process, the operator will conduct self-inspection, inspectors will conduct inspections, and all inspections will be carried out after completion. Only qualified products can flow to the next process. Perform a pressure test. On the pressure testing machine, the air pressure of 0.6Mpa is passed into the sealing shell, and the faucet shell is immersed in water to observe whether the sealing performance of the joint parts of the shell and the cavity meets the requirements. All products that pass the test are treated with lead release to eliminate trace lead elements on the surface of the inner cavity to make faucet products more in line with the requirements of environmental protection indicators, low toxicity and less harm.