Compression springs, extension springs, torsion springs, wire forms and others.
Manufacture spring materials and grind with wire diameters as low as 0.03mm and up to 5.0mm.
Cope with small lots for office devices and large lots for electronic devices. (10,000,000/monthly production)
Navanakorn Factory, Head Office
GOKO HATSUJO CO.LTD. Head Office, Kanagawa Factory, Japan
GOKO SPRING VIETNAM CO.,LTD. Hanoi Factory, Vietnam
PT.GOKO SPRING INDONESIA Jawa Barat Factory, Indonesia
Wire diameter (mm)
Number of machine
Extension spring machine
Straitening machine/Wire bending machine
Spring end grinding machine