Close to the Raw Material Source
Our China factory in Rudong, Nantong sits close to Jiangsu’s coastal nori farms, supporting raw material sourcing and supply chain management.
Seaweed OEM & ODM Manufacturer
From selected raw nori to market-ready packaging, SINFO helps food brands, retailers, importers, restaurant groups and food manufacturers turn product requirements into consistent, traceable seaweed products.
- ISO 22000 / HACCP / BRC / HALAL
- OEM, private-label and ODM development
- Product samples and pre-production confirmation
- Multiple formats for retail, foodservice and food manufacturing
Start an OEM/ODM ProjectGet the Latest Product Catalog
A Reliable Partner from Raw Material to Shipment
Since 2013, SINFO has focused on nori processing and product development for domestic and international customers.
Multiple Product Formats
Customize full sheets, half sheets, portion cuts, onigiri nori, rolls, 1 mm and 2 mm shreds, squares, powder and specialty shapes.
Dedicated Processing Equipment
Our equipment produces roasted nori, rolls, half sheets, onigiri nori, shreds, squares and sealed packs, with core machinery imported from Japan.
Verified Food Safety Systems
ISO 22000, HACCP, BRC and HALAL systems support supplier reviews and market-access requirements.
End-to-End Coordination
Product selection, sampling, spec confirmation, packaging, production, QC, warehousing and shipping are managed via a unified end-to-end project workflow.
China and Vietnam Footprint
SINFO runs main Nantong China plant, plus 2024 Dong Thap Vietnam facility, as two key cross-border hubs for per-project product-capacity confirmation.
OEM vs. ODM
Which Path Fits You?
Choose the model that matches your product readiness, launch schedule and required level of development support.
OEM
Build to Your SpecificationChoose OEM when you already have an approved product specification, reference sample or established packaging requirements.- Share target product or reference specs
- Review format, size, packaging & production feasibility
- Submit product & packaging samples for approval
- Approved specs serve as production benchmark
- All changes tracked via version control
Learn moreODM
Develop a Product for Your MarketChoose ODM when you have a target application, channel or product idea but need support defining the final product.- Select from existing nori product lines
- Develop format, cut size & application performance
- Match packaging to retail, foodservice & industrial use
- Review samples & packaging concepts
- Confirm final specs before production
Learn more
From Market Requirement to Approved Product
Turn consumer insight and channel rules into retail-ready products.
Requirement Analysis
Share your target market, application, product type, size, packaging, expected volume and quality requirements.Product and Format Selection
We recommend suitable raw-material grades, roasted-seaweed formats, cutting options and packaging structures.Sample and Packaging Approval
Review product samples, packaging artwork, labels and key specifications before production.Final Review and Production
The approved product specification and pre-production sample are used as the production reference.
Contact SINFO Seaweed OEM/ODM Expert
Waiting for all kinds of your demands.
Controlled at Every Production Stage
Each nori sheet is selected, roasted, and inspected to retain crispness, umami, and freshness, ensuring consistency from sourcing to serving.
Raw Nori
Raw materials are selected according to color, thickness, integrity, texture and intended application. Foreign matter and unsuitable sheets are removed before processing.
Roasting and Conditioning
Controlled roasting develops the natural aroma while maintaining suitable color, texture and flexibility. Cooling and moisture conditioning help reduce breakage during further processing.
Cutting and Forming
Products can be processed into full sheets, half sheets, portion cuts, rolls, shreds, little squares, powder and application-specific shapes.
Packaging
Products are sealed and packed according to the approved retail, foodservice or industrial specification.
Inspection and Traceability
Appearance, integrity, foreign matter, physical indicators, microbiological indicators, labels and packaging are checked according to the product and order requirements.
A Clear Path to Product Approval
SINFO provides samples that help customers evaluate product quality, application performance and packaging before mass production.
Easy Sampling Service
We provide full-range samples to help you evaluate product quality, application performance and packaging prior to mass production.
Request SamplesProduct Samples
→ sushi nori, onigiri nori, seaweed rolls, sliced seaweed, mini squares, powder and custom formatsSpecification Confirmation
→ color, texture, sheet size, cutting dimensions, product format and application matchingPackaging Mock-Ups
→ private-label bags, boxes, individual packs, labels and export cartonsPre-Production Sample
→ final approved sample as the golden reference for mass production- Learn more
Change Control
All changes to formula, specifications, cutting size, packaging materials or label details are formally documented and reconfirmed before implementation.
- Learn more
Sample Logistics
Samples are properly sealed and protected for delivery. Shipping arrangements are customized based on destination and project requirements.
Capacity & Scheduling
(China + Vietnam)
Lines & Cells
Roasting, precision cutting, rolling, forming, packaging, and QA inspection cells are balanced for full-format nori production.
Peak-season Planning
Reserved capacity pools, locked production slots, and weekly S&OP calls keep ETD/ETA stable for large-volume orders.
Holiday Windows
We plan ahead for Chinese New Year and Vietnam Tết with forward scheduling and raw material pre-positioning.
Flex Routing
Dual-base transfer paths with unified specifications and first-batch cross-verification ensure consistent product quality.
Quality & Testing
Quality is a process, not a checkpoint. SINFO offers you all round quality assurance.
Process Control
IQC → IPQC → FQC/OQC, with AQL sampling and traceable batch records.
Sensory & Physical Inspection
Color, thickness, crispness and integrity checks per food-grade standards.
Chemical Compliance
Pesticide residue, heavy metal and microbial testing per international food regulations.
Flavor & Shelf Durability
Roasting profile, moisture control and shelf-life validation per project protocol.Transit Integrity
Packaging validation for seal, moisture and crush resistance per brand requirements.Documentation
We provide test reports, control plans, and inspection records tied to PO and lot numbers.
Sustainability & Compliance
Raw Materials
Nori is sourced and graded with attention to quality, application suitability and reduced raw-material loss.
Production
SINFO works to improve roasting efficiency, water use and waste management within its food-production operations.
People and Communities
Employee safety and responsible workplace practices support stable production and long-term cooperation with coastal nori-producing communities.
Transparency
Raw-material, production, inspection and shipment records are maintained to support customer audits and supply-chain reviews.
Customized Nori for Different Markets
Different channels need different formats, handling performance and packaging. Explore how SINFO's nori range can fit your application.
Sushi & Japanese Dining
Consistent sheets, rolls, shreds and specialty cuts for sushi restaurants and Japanese dining chains.
Food Manufacturing
Shreds, squares and powder for snacks, seasoning, ready meals and processed foods.
Fusion Food
Custom cuts and formats for taco nori and other creative food concepts.
Importers & Distributors
A broad nori range, export coordination and documentation support from one manufacturing partner.
Packaging & Branding (Retail-Ready)
Win on shelf and in shipping. From eye-catching color boxes and manuals to carefully organized hardware kits and care cards, every detail supports both presentation and usability.
Packaging Formats
Bags, boxes, individual packs, family packs, foodservice packs, industrial packaging and export cartons.
Private-Label Design
Support for packaging layouts, brand presentation, multilingual information and product selling points.
Label Information
Ingredients, nutrition, allergens, barcodes and shelf-life details confirmed per approved specs and market requirements.
Carton and Shipment Planning
Inner packs, cartons, pallets and handling reviewed per product and distribution channel.
How We Work
Clear ownership, defined deliverables and confirmed milestones at every step (project Gantt chart available on request).
Your Product Information Remains Controlled
An NDA can be arranged before sensitive product information, artwork or commercial files are exchanged.
Approved samples, product specifications, packaging files and revision records are maintained during the project to reduce misunderstandings and prevent unauthorized specification changes.
Traceable Support After Delivery
If a product or packaging issue occurs, customers can provide the purchase-order number, batch information, photos and relevant inspection details.
SINFO will review the corresponding production and quality records, investigate the cause and coordinate the appropriate response or corrective action.
Ready to Develop Your Seaweed Product?
Tell us your product format, application, target market, cutting size, packaging and estimated order volume.
Our team will help you determine the appropriate OEM or ODM route and confirm the next steps for sampling and quotation.
By clicking Register, you acknowledge that you have read and accepted our Terms and Conditions.
Frequently Asked Questions
Got questions? Look at our fast responses attending to your needs.
We support product format, sheet size, cutting dimensions, packaging structure, labels, multilingual information, barcodes and export-carton requirements.
OEM follows an existing specification or reference sample. ODM starts with an application or market requirement and includes support defining the product format and packaging.
MOQ depends on the product type, cutting process, packaging material and customization level. It is confirmed after the project specification is reviewed.
Yes. Product samples, packaging mock-ups and pre-production samples can be arranged. Sample timing and costs are confirmed for each project.
The China factory has a standard-shift roasted seaweed capacity of approximately 300,000 sheets per day. Capacity for other formats is confirmed according to the product specification.
Current documentation includes ISO 22000, HACCP, BRC and HALAL, together with Indonesian MUI-related documentation.
Yes. SINFO supports customized product specifications, branded retail packaging, foodservice formats and industrial packaging.
Approved specifications and samples are combined with incoming, in-process, finished-product and outgoing inspections. Records are maintained by purchase order and batch.
