Laser Machine, CNC Tools, Sensor Head manufacturer / supplier in China, offering High Quality Steel Flat Washer with Anti-Corrosion Coating for Industrial Vibration Resistance and Fastener Stability, Durable Flat Washer M5– M16 for Bolt and Nut Assembly in Electrical Equipment and Structural Installations, Zinc Plated Carbon Steel Flat Washer for Load Distribution in Machinery, Construction, and Fastening Applications and so on.