
Surface Polishing and Knurling Processing for Musical Instruments. Customized Processing: Offers OEM/ODM services with customizable dimensions and tolerances. Wide Material Range: Processes carbon steel, alloy steel, stainless steel, copper, brass, bronze, and aluminum. Comprehensive Services: Includes forging, turning, milling, knurling, stamping, bending, and various surface treatments. High Precision Tolerance: Achieves tolerance range of +/- 0.01 mm for precision components. Advanced Machinery: Equipped with CNC lathes, milling machines, cold heading machines, and knurling machines. Quality Certification: Certified with RoHS, GS, and ISO9001 standards. 100% Inspection: All finished products undergo visual inspection with uniform instructions. Fast Lead Time: Peak and off-peak season lead times are both within 15 workdays.