Konjac Products OEM & Contract Manufacturers

A konjac, shirataki noodle, tokoroten, and agar expert, incorporated in 1973. Plans and manufactures approximately 1,600 product items, handling private brand and OEM contract manufacturing. Owns multiple manufacturing facilities in Gunma and Saitama Prefectures, flexibly accommodating both mass production and high-mix low-volume production. Holds a top-tier domestic market share.

Formerly 下仁田物産 (established in 1986). Operating a manufacturing facility in Shimonitamachi, Gunma Prefecture, a renowned production area for konnyaku, the company manufactures konnyaku, shirataki, tokotenten, and jelly products. Its flagship product is konnyaku jelly made with Gunma Prefecture-sourced konnyaku powder. FSSC22000 certified.

A long-established food manufacturer with approximately 190 years of history, founded in 1837 (Tempo 8). The company manufactures and wholesales konjac, tokoroten (jelly noodles), and nikki kanten (cinnamon agar). While evolving traditional foods to suit modern tastes, the company also focuses on quality improvement, such as using plant-derived ingredients for coloring. Products have been presented at the Ise Grand Shrine Geku Dedication Market.

A konjac, shirataki, tokoroten, and agar expert company founded in 1946. At the factory in Shibukawa City, Gunma Prefecture, production utilizes groundwater of the same quality as the spring water of Hakoshima, designated as one of Japan's 100 Best Waters. The company maintains mass production capability with multiple in-house factories and distribution centers.

Founded in 1955, a konjac raw material manufacturer based in Shimonita Town, Gunma Prefecture. The HC Division comprehensively handles OEM contract manufacturing of konjac products, retort-processed foods, bottled drinks, and seasonings. HACCP certified since 2017. Also produces konjac flour and seaweed powder, with integrated capabilities from raw materials to finished products as a core strength.

Established in 1987, a manufacturer specializing in sachet filling of liquid seasonings. Continuously refines its technology for filling a wide variety of liquid seasonings including dipping sauces, dressings, sauces, and soups into sachets. Serves a broad range of clients from konjac, tofu, natto, and noodle manufacturers needing accompanying seasoning packets to restaurants requiring soup supplies. ISO 22000 certified.

A manufacturer specializing in the production and sale of raw potato konjac. Handles OEM manufacturing of tokoroten (jelly noodles) and konjac products. Committed to traditional raw potato konjac production methods.

A manufacturer based in Gunma Prefecture that produces health foods including konjac, tokorten, and mekabu. The company offers contract manufacturing services for tokorten and konjac products for private brands and OEM customers.

A konjac specialist manufacturer founded in 1924. With over 30 years of konjac R&D, the company holds numerous patents in de-alkalization, coloring, and physical property modification technologies. The company developed "Mannan Meal," a next-generation processed konjac food product. OEM and private-label manufacturing available.

A konjac manufacturer in Gunma Prefecture, established in 1984. The company boasts industry-leading production volume in commercial konjac. A diverse product lineup includes block konjac, shirataki noodles, and cut konjac, with OEM manufacturing also available.