We offer slitter knife/blade, trimming knife/blade, crusher knife/blade, paper guilloting knife/blade, metal shear knife/blade We offer OEM service of ... such as slitter knife/blade, trimming knife/blade, crusher knife/blade, paper guilloting knife/blade, metal shear knife/blade and corrugated flexure knife/blade etc. ... the next one of our 10-year partners. serrated cutter knife/packing machine blade