What Ruixue Haiyang does

Jiangsu Ruixue Marine Technology Co., Ltd. (瑞雪海洋) is a vertically integrated Chinese seaweed (nori/紫菜) technology group founded in 2002 and headquartered in Nantong, Jiangsu Province, with total cumulative investment of 320 million RMB and registered capital of 46.88 million RMB. The company operates the full seaweed value chain through seven wholly-owned subsidiaries spanning seedling breeding, large-scale aquaculture on 55,000 mu of tidal flats (Porphyra yezoensis), Gracilaria and Porphyra tenera processing in Jiangsu and Fujian, branded consumer food production, and seaweed processing machinery manufacturing.

Its technology stack centers on factory-based intelligent seaweed seedling nursery control systems, fully automated Gracilaria processing equipment that reportedly leapfrogged decades of Japanese processing development, and patented machinery for sorting, dehydration, stripping, and offshore monitoring. Production assets include a 120-acre facility in Dafeng with 8,000 sqm of nursery, 1,000-ton automated air-cooling cold storage, 15 processing lines supporting 25,000 mu of cultivation and 30,000+ boxes of annual dried seaweed output, plus a 32-acre Zhangzhou base with 5 dedicated Gracilaria lines. Eight registered patents cover cultivation frames, automated sorting, pneumatic dehydration, offshore radar monitoring, and cold storage logistics.

The company monetizes through four streams: branded consumer seaweed food under the Yuhedao (渔禾岛) label sold via owned Tmall, JD.com, and Alibaba 1688 storefronts; OEM/ODM contract manufacturing for domestic and international brands; export of dried and roasted seaweed in grades AAA through E; and processing machinery sales under the Yiren (一人) brand. Customer segments span B2B food distributors, OEM brand partners, machinery buyers, B2C consumers, and international trade customers. Recognition includes the 2018 National Marine Science and Technology Award (Second Prize), Jiangsu Provincial Key Dragon Head Agricultural Industrialization Enterprise status, and National Export Food "Three Simultaneous" Demonstration Enterprise certification.

Name

Ruixue Haiyang

Legal name

江苏瑞雪海洋科技股份有限公司

Website

https://ruixue.com

Company type

Private

Founded year

2002

Operating status

Operating

Headcount range

1–10 employees

Short description

Jiangsu Ruixue Marine Technology is a vertically integrated Chinese seaweed company controlling seedling breeding, cultivation on 55,000 mu of tidal flats, primary and secondary processing, branded consumer food production under Yuhedao, and processing machinery manufacturing under Yiren, serving domestic distributors, international exporters, OEM partners, and B2C consumers.

Ownership category

akta.pro rank

Product category

Seaweed and Nori Processed Foods

NAICS

Seafood Product Preparation and Packaging (311710), Food Product Machinery Manufacturing (333241), Fish and Seafood Merchant Wholesalers (424460)

SIC

Canned, Frozen & Preservd Fruit, Veg & Food Specialties (2030), Food And Kindred Products (2000), Special Industry Machinery (No Metalworking Machinery) (3550)

akta.pro primary industry

Seaweed & Dried Vegetable Snacks Manufacturing (AFAKAIAI)

akta.pro secondary industries

Dried & Dehydrated Foods Manufacturing (AFAKACAK), Seaweed & Algae Aquaculture (incl. microalgae) (AFAEAAAE)

Keywords

• Seaweed processing
• Nori manufacturing
• Seaweed food products
• Seaweed processing machinery
• Aquaculture and breeding

Headquarters

HQ city

Nantong

HQ country

China

HQ region

Asia

Offices6 records

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Seaweed food products: Revenue from manufacturing and selling seaweed food products under the '渔禾岛' brand, including roasted seaweed, sandwich seaweed, seaweed snacks, seaweed soup, seaweed sauce, seaweed crisp chips, and seaweed gift boxes. Products are sold domestically through online platforms (Tmall, JD) and internationally through export.
2. OEM/Processing services: Customized OEM processing services for international and domestic clients, producing seaweed products to client specifications.
3. Seaweed processing machinery: Manufacturing and selling seaweed processing equipment including primary and secondary processing production lines and auxiliary machines under the '一人' brand.
4. Export trade: Export of dried seaweed and roasted seaweed products in various grades (AAA, AA, A, B, C, D, E) for条斑紫菜 and坛紫菜 varieties to international markets.

Go-to-market motion1 record

Distribution channels5 records

Marketing channels4 records

Core offering

Ruixue Haiyang manufactures and sells processed seaweed/nori food products (roasted nori, sushi nori, filled nori snacks, dried seaweed, seaweed sauce, soup bases, gift boxes) under the Yuhedao brand, plus seaweed processing machinery and complete production lines under the Yiren brand. It also offers OEM/ODM contract manufacturing and export trade services from its own 55,000 mu of aquaculture bases and five processing subsidiaries.

Product overview

Ruixue Haiyang is a comprehensive seaweed (nori) company operating across the entire industry chain from seaweed farming and processing to food production and machinery manufacturing. The company operates under two main brands: 渔禾岛 (Yuhedao) for consumer seaweed food products including sushi nori, filled nori snacks, roasted nori, dried seaweed, seaweed sauce, soup bases, instant seaweed, and gift boxes; and 一人 (Yiren) for seaweed processing machinery including primary and secondary processing equipment and auxiliary machines. The company also provides OEM and export services for international customers. The product portfolio spans from raw materials (条斑紫菜 stripe seaweed and 坛紫菜 tian seaweed) in various grades to finished consumer products and industrial processing equipment.

Differentiator

Problem solved

Functional benefit

Brands

• 渔禾岛: Main seaweed food brand including snacks, fresh foods, and seasoned products
• 一人

Products and services

• Yuhedao (渔禾岛) Roasted Seaweed Snacks (烤海苔/烤紫菜)

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Scale indicators14 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• 오뚜기 (Ottogi): Korean food company producing branded seasoned nori and seaweed snacks across Asian retail. Comparable in product category, processing scale, and channel-led distribution to Ruixue's branded food business.
• CJ제일제당 (CJ CheilJedang): Korean food major with a globally distributed nori and seaweed-snack portfolio under brands including Hetbahn and Bibigo. Competes in the same premium and mass nori segments that Ruixue targets via export.
• CP Kelco: Major seaweed-extract producer (carrageenan, alginate) with a global B2B ingredient franchise. Provides a public-market benchmark for monetizing seaweed biomass into functional-food and food-manufacturing customers — a downstream direction Ruixue could pursue with its nori powder/granule portfolio.
• 理研ビタミン (Riken Vitamin): Japanese food ingredients and nori producer with global export reach. Comparable in finished roasted nori production and in the integration of seaweed processing into a wider branded food portfolio.
• 大象 (Daesang): Korean food conglomerate whose kim/nori and seasoned seaweed brands (e.g., Chung Jung One) hold premium positioning in Chinese retail and export channels. Comparable in finished nori SKU set and global export footprint to Ruixue's 渔禾岛 line.
• Cargill (Seaweed & Algae segment): Global agribusiness with growing involvement in algae-based food ingredients and hydrocolloids. Comparable as a buyer/distributor of seaweed-derived ingredients and as a benchmark for the addressable B2B ingredient channel.

Direct peers

• 丸友 (Marutomo): Japanese seaweed and dried-food manufacturer with deep expertise in nori, wakame, and seasoned seaweed products. Directly comparable in finished seaweed processing technology and quality grading to Ruixue's primary processing operation.
• 海霸王 (Haibawang / Ha Pa Wang): Major Taiwanese-Chinese seafood and seaweed snack producer with established distribution into mainland China. Competes head-to-head in branded dried seaweed, seasoned nori, and sushi nori categories where Ruixue operates.
• Acadian Seaplants: Canadian seaweed cultivation and processing company producing extracts, dried seaweeds, and agricultural inputs from cultivated algae. Comparable in seaweed-aquaculture-to-finished-product vertical integration and in serving B2B ingredient markets.
• 波力食品 (Holi Food): One of China's largest branded seaweed snack producers, headquartered in Shanghai-area, selling roasted nori, sushi nori, and seaweed snacks through Tmall, JD, and major retail. Closest direct competitor by product portfolio, channel mix, and Chinese B2C target consumer for 渔禾岛-branded snacks.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

Compliance11 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Subsidiaries5 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Ruixue Haiyang