Quality / Certificates
In 2009, Yoshimasu was awarded "Best Supplier of the Year in performance of Quality, Cost, Delivery and Management", which proves our unrivaled track record in this industry.



Quality Management System
ISO 9001
EN/AS/JIS Q 9100
Information Security Management System
ISO 27001
Special Processes certified by Nadcap
AC 7116  Nonconventional Machining
AC 7116/3  Electrical Discharge Machining (EDM)
AC 7116/4  Laser Beam Machining (LBM)
AC7110  Welding/Brazing
AC7110/5  Fusion Welding
AC7110/12  Welder/Welding Operator Qualification
AC7110/13  Evaluation of Welds
AC7102   Heat Treating (HT)
AC7102S  Supplemental Audit Criteria for HT
Production processes certified by customers
GE, IHI, Kawasaki Heavy Industries, Yokohama Rubber Co
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