Nenrin Co., Ltd. is a food OEM manufacturer based in Nagano.They handle manufacturing of Confectionery / Desserts, Desserts / Sweets, Agricultural Products, Sweet-Potato Products and more.Their specialties include Imo kenpi (candied sweet potato sticks)|Sweet potato chips|Sweet potato (baked confection)|Low-temperature aged honey sweet potato|Baked sweet potato.
Based in Matsumoto, Nagano Prefecture, this company operates sweet potato sweets manufacturing, sales, and OEM services under the brand name 'Oimo Biyori.' Produces imo-kenpi (candied sweet potato sticks), sweet potato chips, sweet potatoes, and roasted sweet potatoes, while also engaging in sixth-sector industrialization utilizing idle farmland. Capable of small-lot production of region-exclusive original products when clients supply sweet potatoes.
Region-exclusive original products using customer-supplied sweet potatoes|Small lot production available|Original packaging design support
Imo kenpi (candied sweet potato sticks)|Sweet potato chips|Sweet potato (baked confection)|Low-temperature aged honey sweet potato|Baked sweet potato
Dedicated sweet potato confection manufacturing equipment|Imo kenpi and sweet potato chip production line|Baked sweet potato processing equipment
Offices
おいも日和 安曇野店
長野県安曇野市三郷温5919 HAMAフラワーパーク安曇野商店街内
信州おいも工房 善光寺仲見世通り店
長野県長野市長野元善町484
First Prize in the Disaster Food Award (Canned Candied Sweet Potatoes) / First Place in the Winter Sweet Potato Expo 2026 Popular Vote (Souvenir Category)
| 代表取締役 | 宮下 祥次 |
The OEM JAPAN team will research and guide you to the best option — free of charge.
Free Consultation* Handled by the OEM JAPAN team
Information on this page is based on publicly available information from official websites and other sources. There is no partnership between listed manufacturers and OEM JAPAN.
Oimo House
A sweet potato processing specialist based in Kagoshima Prefecture. Offers contr
Kamo Food Cycle Co., Ltd.
An agricultural product processing OEM manufacturer equipped with low-temperatur
Yamato Honey Co., Ltd.
A honey manufacturer in Nara Prefecture, established in 1945. Handles OEM and pr
Nakagawa Foods Co., Ltd.
A manufacturer based in Gunma Prefecture that produces health foods including ko
Baioen Co., Ltd.
A long-established umeboshi (pickled plum) manufacturer founded in 1950, based i
Nitto Shokuhin Kogyo Co., Ltd.
Founded in 1937, a long-standing Hiroshima food manufacturer known for the Nitto
Shinshu Watanabe
Jam-specialized OEM manufacturer based in Ueda City, Nagano
Gold Pak Co., Ltd.
Founded in 1959, the company has grown through a dual busine
Kitahara Industries Co., Ltd.
A natural agar manufacturer founded in 1948, based in Chino,
Nenrin Co., Ltd. (Oimo Biyori)
A manufacturer offering OEM development and sales of sweet p
AI Spec Generator
Answer a few simple questions and let AI create a product specification document you can use when consulting with manufacturers.
Cost Simulator
Enter your product category and quantity to get an estimated OEM manufacturing cost.
Schedule Simulator
Simulate the timeline from planning to delivery for your OEM manufacturing project.
OEM Manufacturer Matcher
Answer 5 quick questions and we'll suggest the best way to find the right OEM manufacturer for you.
Manufacturer Selection Checklist
A checklist of key points to consider when choosing an OEM manufacturer.
OEM Getting Started Guide
Learn the basics of OEM manufacturing, including the process and key considerations for beginners.
Free Consultation
Not sure which manufacturer to choose? Our team will provide free consultation to help you find the right match.