... as Board, Metal, Plastic, Film, Foil, Leather, Textile, Rubber industry. Saw blades material:9CrSi/Cr12MoV/W6Mo5Cr4V2/W18Cr4V and etc. Certification we've ... or Dimension:Outer Diameter,Bore Diameter,Teeth Number,Thickness,Segment Size; 2)Segment Welding Methods:Laser,High frequncy,Hot press,Cold press ...