The high speed inspection machine developed by Si Tuo Intelligent Company is dedicated to solving the problem of small batch, multiple repetitive defects accurately and quickly find and locate defective defects, reduce the work intensity and fatigue of workers, and protect the quality of printed products before leaving the factory. Use scenario: small batch orders, part of the small roll rewinding after slitting to find defects, part of the customer small batch returns back to the order situation. Applicable to: Roll products, steel strip, film, non-woven, sanitary materials and other products. (Both upper and lower sides can be detected, not affected by the direction of rewinding)