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International Certifications

Japanese Plants

Plants Type of Certification Dates acquired Products/services
Suspension Spring Division IATF 16949:2016 Aug. 1998
(ISO9001)
Automotive suspension springs, Metallic bellows products 
Yokohama Plant(Suspension Springs) IATF 16949:2016 Aug. 1998
(ISO9001)
Automotive suspension springs, Metallic bellows products 
Shiga Plant IATF 16949:2016 Aug. 1998
(ISO9001)
Automotive suspension springs
Seating Division IATF 16949:2016 Sep. 1997
(ISO9001)
Automotive seats, Interior trim parts
Gunma Plant IATF 16949:2016 Dec. 1996
(ISO9001)
Automotive seats, Interior trim parts
Yokohama Plant (Seating) IATF 16949:2016 Aug. 1997
(ISO9001)
Automotive seats
Toyota Plant IATF 16949:2016 Dec. 1997
(ISO9001)
Automotive seats
Precision Spring & Components Division ISO 9001:2015 Jun. 1998 Precision springs
Ina Plant ISO 9001:2015 Jun. 1998 Precision springs
Atsugi Plant ISO 9001:2015 Jun. 1998 Precision springs
DDS (Disk Drive
Suspension) Division
ISO 9001:2015 Apr. 1997 Suspensions for HDD
Komagane Plant (DDS) ISO 9001:2015 Apr. 1997 Suspensions for HDD
Isehara Plant #1
Isehara Plant #2
ISO 9001:2015 May. 2000 Machining, Metals by machined parts, Ceramic products, Pipe support systems, Spring and metal products for industrial equipment, Anti-counterfeit system, Identification system,security devices
Komagane Plant (Industrial Machinery & Equipment) ISO 9001:2015 Aug. 1997 Flexible urethanes, Metal printed wiring boards, insulation materials for metal printed wiring boards
Yasu Plant ISO 9001:2015 Jun. 1999 Mechanical multi-level parking systems, Other machine parts

Domestic Group companies

Plants Type of Certification Dates acquired Products/services
NHK Sales Co., Ltd. ISO 9001:2015 Apr. 2001
Sales, Storage service, Design development
NHK Transport Co., Ltd. ISO 9001:2015 Aug. 1999 Storage and transportation service for automotive parts
NHK Spring ProductionCompany ISO 9001:2015 May. 2000 Stabilizers, Torsion bars, Radius rods
Sumihatsu Co., Ltd. ISO 9001:2015 Nov. 1999 Leaf springs for cars, Coil springs for cars, Others
Horikiri, Inc. IATF 16949:2016

Jan. 1999
(ISO9001)

Leaf springs, Welded/non-welded type Stabilizer bars, U-shaped springs
NHK Spring Kyushu Co.,Ltd. ISO 9001:2015 Apr. 2018 Automotive suspension springs
Tohoku Nippatsu Co., Ltd. ISO 9001:2015 Jul. 2000
(ISO9002)
Cold molding Coil springs, Hot molding coil springs, Shutter springs, Seat frames
Ites Co., Ltd. ISO 9001:2015 Mar. 2004 Automotive seats, Seat frames, Interior components
Faurecia-NHK Kyushu Co., Ltd. ISO 9001:2015 Feb. 2006 Automotive seats
NHK Seating Mizushima Co., Ltd. ISO 9001:2015 May. 2003 Automotive seats
Sindai Co., Ltd. ISO 9001:2015 Feb. 2003 Seat frames, Component parts, Sunshades, Tonneau cover
NHK FLEX CO., LTD ISO 9001:2015 Nov. 2000 Control cables and devices for cars, Parts, Automotive, Household electrical appliances and OA, House environment related function components
Ayase Seimitsu Co., Ltd. ISO 9001:2015 Dec. 2000 Flat springs
Tokuhatsu Co., Ltd. ISO 9001:2015 Nov. 2000 Functional springs, Flat springs, Lamina processing, Fastener springs, Washers
NHK Precision Co., Ltd. ISO 9001:2015 Feb.1998
(ISO9002)
Punches for screw head molding, Brake disks for two-wheeled motor vehicles, Gaskets, Vanes for vane pumps, Spring packs, Pneumatic components, Automotive disc springs
NHK Parking Systems Co., Ltd. ISO 9001:2015 Jun.2012 Planning, design, sales, installation, maintenance, and renovation of automatic parking garage systems and supplying related parts
NHK MEC Corporation ISO 9001:2015 Feb.2003 Marine and industrial remote control systems
Topura Co., Ltd. ISO 9001:2015 Mar. 1999 Metal Fasteners (Hadano Plant)
ISO 9001:2015 Sep. 1998 Metal Fasteners (Osaka Plant)
ISO 9001:2015 Jun. 1998 metal Fasteners (Tokai Plant)
Yokohama Kiko Co., Ltd. ISO 9001:2015 Mar. 1999 Lighting equipment

Overseas Group companies

Plants Type of Certification Dates acquired Products/services
NHK International Corporation ISO 9001:2015 Dec. 1998 R&D of suspension springs
New Mather Metals, Inc. IATF 16949:2016 Mar. 2003
(QS9000)
Stabilizer bars
NHK of America Suspension Components Inc. IATF 16949:2016 Jan. 1998
(QS9000)
Coil springs, Trunk lid torsion bars, Motor cores, Disc springs
NHK Seating of America Inc. IATF 16949:2016 Feb. 1996
(ISO9002)
Automotive seat assemblies
NHK Spring Precision of America Inc. IATF 16949:2016 Jan. 2013 Helical springs
Topura America Fatener, Inc. IATF 16949:2016 Jun. 1999
(ISO9001)
Bolts, Screws
NHK Spring Mexico, S.A.DE C.V. IATF 16949:2016 Sep. 2016 Coil springs, Stabilizer bars
Rassini-NHK Autopeças Ltda. IATF 16949:2016 Jun. 1994
(ISO9001)
Suspension springs and related parts
Ibérica de Suspensiones, S.L. IATF 16949:2016 Jun. 1996
(ISO9001)
Coil springs, Solid and tubular stabilizer bars
NHK Spring (Thailand) Co., Ltd. IATF 16949:2016 Jun. 1999
(ISO9000)
Leaf springs, Coil springs, Stabilizer bars, Torsion bars
IATF 16949:2016 Jun. 1999
(ISO9000)
Seats, Trims, Headlining, Sun visors, Seat accessories, Trunk accessories, Foam pads
IATF 16949:2016 Jan. 2002
(QS9000)
Precision springs
ISO 9001:2015 Jul. 2000 Mechanism parts for HDDs
ISO 9001:2015 Oct. 2007 Suspensions for HDDs
NHK Precision (Thailand) Co., Ltd. IATF 16949:2016 Aug. 2003 Brake disks, Gaskets, Sector gears, Lock gears, Pressed parts for cars
NHK Manufacturing (Malaysia) SDN. BHD. ISO 9001:2015 Dec. 1999 Metal base printed wiring board
NHK Spring Philippines, Inc. ISO 9001:2015 Jun. 2017 Blanking of chemical products (urethane, tapes, etc.) Manufacturing of HDD parts, apparence inspection
NHK-Uni Spring (Guangzhou) Co., Ltd. IATF 16949:2016 Mar. 2004
(QS9000)
Coil springs, Stabilizer bars
NHK Seating (Hubei) Co., Ltd. IATF 16949:2016 May. 2014
(ISO/TS16949)
Urethane pads, Headrests, Arm rests, Backboard assemblies, Outer fin assemblies, Frame assemblies
NHK Seating (Chongqing)Co.,Ltd. IATF 16949:2016 Jul. 2005 Automotive seats
Chongqing Qingling NHK Seat Co., Ltd. IATF 16949:2016 Apr. 2007 Seat assemblies, Welding of Axles, Pressed parts・Welded parts
NHK Seating (Zhengzhou)Co., Ltd. IATF 16949:2016 Aug. 2015 Automotive seats
Faurecia NHK (Xiangyang)Automotive Seating Co., Ltd. IATF 16949:2016 Dec. 2014 Automotive seats
NHK Spring Precision (Guangzhou) Co., Ltd. IATF 16949:2016 Sep. 2005
(ISO9001)
Valve springs, Lost motion spring, Helical springs, Flex joints, Transmission disc springs, Aluminum ringss for stabilizers
NHK Spring (Taiwan) Co., Ltd. ISO/TS 16949:2009 Dec. 1996
(ISO9001)
Automotive seats, Headlining, Sun visors, Leaf springs, Coil springs
NHK Spring India Ltd. IATF 16949:2016 Oct. 2001
(ISO9001)
Coil springs, Stabilizer bars, Automotive seats
NHK Automotive ComponentsIndia Private Limited IATF 16949:2016 Apr. 2000
(ISO9001)
Cold-formed precision springs
NHK F Krishina IndiaAutomotive Seating PrivateLimited IATF 16949:2016 Jun. 2015 Automotive seats

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