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6) When pouring the sprue rod, it is poured according to the production operation plan. The surface of the sprue rod must be smooth, free of burrs and flashes. After pouring, it must be degreasing, cleaned, and marked (part number, quantity, operator) , Inspectors, production date and inspection status, etc.).

4. Wet Sanding For achieving a super-fine finish, wet sanding can be employed. This method involves using lubricated sandpaper, which minimizes dust and helps prevent clogging, producing a smoother surface.

Sino Enterprises exemplifies the strengths of China’s metal stamping industry. With years of experience and a dedicated team of engineers and technicians, Sino has established a reputation for quality and reliability. They specialize in a wide range of metal stamping solutions, catering to various sectors including automotive, aerospace, electronics, and industrial machinery.