Kokuyo is a spring company which manufactures compression springs to fulfill the requirements of the spring operated mechanism they will be installed into. Kokuyo Spring manufactures custom compression springs amongst other types of springs like extension springs, torsion springs, conical springs, battery springs, craft springs, flat springs, special-shaped springs, wire form etc. Precision spring manufacturer of custom coil springs, rings & wire forms for leading multinational OEM firms. Request An Online RFQ Today.