STA Diamond abrasive filament|Diamond grit filament|High-performance diamond filament
Nylon and diamond abrasive base material are supplied by world-famous suppliers, secure the work power of the fiaments.
Nylon and diamond abrasive base material are supplied by world-famous suppliers, secure the work power of the fiaments.
Nylon and diamond abrasive base material are supplied by world-famous suppliers, secure the work power of the fiaments.