We, Tokyo Hatsujyo Manufacturing Co., Ltd. That is established 1924, struggled to develop products for demands of customers as a leading manufacture of spring makers in Japan.
Our main product is JIS Standard that developed for press die in 1966. This spring is not only for press die, but also for industrial equipment and machine tools. We also have ISO Standard for global market.
JIS Standard, whose number is JIS B 5012, was created based on our products.
JIS Standard is used widely in an automotive industry and electric home appliance industry in Japan. And also, that's shear of die spring is over 50% in Asia
We supply any kinds of springs, to say nothing of JIS Standard. If you have any problem about a spring, please contact us. Certainly there is a solution.