... . Feature:1 Pinholes of blade are grinded and polished by Germany CNC, the accuracy can reach 5 um. Has remarkable ... blade even, no deformation, no decrease though grinding.3 The Netrogen furnace cryogenic technology.4 Ultrasonic flaw detection, X-ray ... Netherland VMI, Korea Seyen, Konstrukta, Japan Mitsubishi, US and China cutting line. We also supply tire produce line accessory, including E+L ...