corrugated production line High quality industrial company and touch screen composed computer control system. Applcation of A/C servomotor driving system with special imported controlling system. Can be got in line with manufacture management system for nonstop auto and manual changeover. The spiral blade applied for lower slitting weight and higher efficiency. The spiral blade, made of special material, with optional blade roll structure, is of long using life. Optimized machine structure with fine builidng system. High-precision gear conveyor system applied for steady operation and lower noise.