Leading Forming Roll Manufacturer established in 1965 serving for ERW pipe/tube industry. We have supplied our toolings to over 40 countries World wide. Apart from our main plant in Yamagata, we also have 4 Sales Office and 3 maintenance facility in Japan and one subsidairy (SST Forming Roll) in Greater Chicago area, USA. Affiliated Regrind facility in Thailand and Indonesia. https://www.sanyoseiki.co.jp/ https://www.stainless-steel-world.net/buyersguide/10095/sanyo-seiki-co-ltd.html No relation with the company named Sanyo Seiki Stainless in Philippine.