Otani Steel Corporation

Founded as Otani Steel Works Tateyama Factory in Toyama City : Renamed to Otani Steel Works Toyama Factory : Separated from Otani Steel Works and established as Otani Steel Corporation : Construction of a new factory in Shinminato City, Toyama Prefecture (now Imizu City) : Complete relocation with the completion of the new factory in Shinminato City, Toyama Prefecture (now Imizu City) : Start of manufacturing of new steel grade SD390 : Acquisition of ISO9002 certification : Transition to ISO9001:2000 and certification acquisition : Underwent the second domestic ISO9001 maturity review and qualification was recognized : Renovation of manufacturing office building : Start of manufacturing of new steel grade SD490 : Completion of new welfare building (3-story steel frame, total floor area 900 square meters, equipped with bathhouse, relaxation room, training room, large vision, free drinks facilities, etc.) : Launch of SUPER VCON with identification number : Opening of Fukui Sales Office : Transition to ISO9001:2008 and certification acquisition : Launch of STANDARD VCON displaying steel grade and size : Patent acquisition for SUPER VCON : Start of D41 manufacturing and sales : Start of D51 manufacturing and sales : Start of processing and sales of DB head : Acquisition of ISO14001 certification : Start of manufacturing and sales of OT685 : Transition to ISO9001:2015 and certification acquisition : Transition to ISO14001:2015 and certification acquisition : JIS certification for screw VCON : Start of manufacturing and sales of lock bolts : Certification acquisition for OT joints : Certification acquisition for OT joints (different diameter and different steel grade) : Start of manufacturing and sales of screw VCON and OT joints : Certification acquisition for adjustable joint fittings : Certification acquisition for standard joint fittings : Certification acquisition for friction welding joints (OT coupler) : Manufacturing and sales of adjustable joint fittings, standard joint fittings, and friction welding joints (OT coupler) : Certification acquisition for mechanical anchoring hardware OT nut and OT head