... : ISO9001: 2008, SGSIn order to serve and supply you better cutting tools, we sincerely hope that you could afford such information ... , bore diameter, teeth number, thickness, segment Size2) Segment welding methods: Laser, High frequency, hot press, cold press 3) Base body material ... with better conditionsAll kinds of hot-rolled billet,Hot-rollered wood blade≥20HRC215HV metal cutting machine blade