Discover Shizuoka Roast System Co., Ltd., a leading Japanese contract manufacturer specializing in high-quality tea and health tea processing. We offer a wide range of services including powder processing, sterilization, grinding, and custom blending, backed by Organic JAS and FSSC 22000 certifications for safety and quality. Explore our expertise in over 100 types of ingredients, from traditional Hojicha to various health teas and herbs, and learn about the rich history, health benefits, and sustainable practices of Japanese tea.