Marunaka Shoyu Naturally Brewed Wooden-Barrel Shoyu

Marunaka · Japan (Aisho, Shiga Prefecture)
Seasonings Soy Sauce Ambient Established export

Marunaka Shoyu is one of the few remaining breweries in Shiga still dependent on traditional wooden-barrel (kioke) brewing, with cellars over 200 years old and domestically sourced soybeans and wheat. Executive director Atsuko Okabe leads product design and overseas sales, and the brewery is featured by curated subscription/exporter Kokoro Care. Its first-press dark shoyu is exported to North America and Europe. Premium small-batch positioning.

The supplier200+-year Shiga wooden-barrel brewery; small craft scale; export-oriented leadership
Why it sells abroad200-year kioke cellars; first-press; export-focused leadership

Buyer's brief ✓ SOURCES VERIFIED

CertificationsTraditional wooden-barrel (kioke) method and domestic-ingredient sourcing confirmed (no chemical seasonings/preservatives; specially cultivated domestic ingredients; 200+ years, 8 generations). Served at 2019 G20 Osaka banquet and on JAL international first class. No halal/kosher/organic/JAS certification publicly verified.
Pack formats300ml ('Black Label' premium) and 720ml bottles confirmed (MYCONBINI); 150ml gift size plausible
Shelf lifeNot publicly specified (draft estimate 18 months unopened retained)
StorageCool, dark place; refrigerate after opening
Minimum orderTypical: mixed pallet via importer
Lead timeTypical: 8-12 weeks
CapacityTypical: very small craft output
Container loadTypical: LCL
PricingTypical: USD 14-22 retail per 300ml first-press
OEM / private labelBrand-led; no public OEM/private-label program found
Wholesale & MOQTrue
Key exporters & distributorsKokoro Care Packages, Japanese specialty importers, Sous les Oliviers (CA)
Export regulationSoy + wheat allergens; naturally brewed, no MSG/additives; not gluten-free
Market demandNiche-premium; subscription and chef channels
How to source itMarunaka Shoyu (Aisho, Shiga) -> Kokoro Care / MYCONBINI / specialty importers -> overseas consumers & chefs
Verified sourceshttps://www.marunaka-shouyu.com/omoi/en/; https://www.myconbini.com/products/marunaka-black-label-premium-shoyu-300ml
MakerMarunaka Shoyu Co., Ltd.
OriginJapan (Aisho, Shiga Prefecture)
CategorySeasonings / Soy Sauce
Available inUnited States, Canada, France, United Kingdom
HandlingAmbient
Price tierPremium
ChannelDTC/Online
Export readinessEstablished export
HS code2103.10
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Profile maintained by Japonity (japonity.com), May 2026. General sourcing information only — confirm current availability, pricing, MOQ and the destination market's import rules with the maker or exporter before contracting. Japonity is not affiliated with this brand.