Sumomoto is the trademark of Castle Enterprise.  Located in Xiaoshan, Hangzhou, China, we concentrate on CNC parts, tyre warmers(heaters) and metal processing products.

Most of our products are sold in Japan, Germany, USA, France, UK, Italy, Spain, Swden, Australia etc. All Sumomoto products are focused on middle to high end at the most competitive prices.

At this site, please follow the links and you will find exciting products. Don't hesitate to contact us at robin@sumomoto.com