Since 1969 SHINJIN FASTENERS
API-20E
API-20F
Government-Certified Long-Established Prestigious Company
Government-Recognized Specialized Company in Core Technologies
KS B 1002
KS B 1003
Patent – Anti-Deformation Device for Functional Bolts
Patent – Stud Bolt Manufacturing Device
PED 2014/68/EU
LR(Lloyd's Register)