Hamkim
Our OEM/ODM Services
At Greenstone, we specialize in delivering high-quality OEM (Original Equipment Manufacturer) and ODM (Original Design Manufacturer) services for seaweed products. From sourcing sustainably farmed Gim (김) along Korea’s pristine coasts to state-of-the-art manufacturing, every product reflects purity and premium standards. Partner with us and transform your concept into a signature snack — from recipe development to label customization, we guide you seamlessly from idea to shelf.
Three Main-steps OEM / ODM
Vertically Integrated Production
Complete control from seaweed farm to finished product, ensuring consistency.
Advanced Processing Technology
Cutting-edge roasting and seasoning systems that preserve natural flavor and nutrition.
Global Quality Assurance
Strict international certifications and inspection standards for every production stage.
What Our Customers Say
"A Flavor That Feels Premium and Authentic"
I’ve tried seaweed snacks from all over Asia
and the U.S., but Greenstone stands out
immediately. The crisp texture, clean
ingredients, and balanced seasoning show
that it’s made by people who understand
the craft.
Lina Park, Food Enthusiast & Nutrition Blogger.
“They Raised the Bar for Seaweed Snacks"
When we added Greenstone’s seaweed
snacks to our natural snack lineup, they
quickly became one of our top-performing
SKUs. Customers love the authentic Korean
branding and the subtle flavor variations
like Sesame and Original.
Brian M. Category Manager, East West Foods.
“A Reliable Source with True Brand Vision”
Their facility standards, ingredient sourcing,
and flavor development expertise have
allowed us to launch products confidently
under our own label. They help brands think
strategically about flavor trends, packaging,
and positioning.
Jessica Lee, Product Development Director, Pacific Harvest Group.
How It Works
Get Started
Ready to build your brand with Korean seaweed excellence?
Contact us today for a customized consultation.