Goodyear Commercial Company of Japan has long provided high-end brands such as high-grade rubber watchband, high-grade metal alloy, crystal gemstone cutting and pearl surface treatment for famous Japanese jewelry manufacturers such as Mikimoto and TASAKI, and watch brands such as Seiko and Citizen.
In terms of high-tech materials, Japanese manufacturing technology has always been at the top of the world, so Goodyear, a Japanese jewelry raw material supplier, is naturally in the world's leading ranks, and it is an invisible giant in the raw material industry that provides superhard alloy parts and gemstone surface cutting and reprocessing for famous jewelry watch manufacturers.