Lien Viet Green delivers complete OEM coffee solutions powered by certified CQI Q Graders, an ISO 22000:2018 certified facility, and strict quality control from raw beans to finished products.

Lien Viet Green technician operating a Hot Air roaster while monitoring roast data on screen
Lien Viet Green roastery. Hot Air roasting with real-time monitoring of every batch.

In today’s competitive F&B market, OEM coffee has become a strategic choice for brands looking to launch their own products without investing heavily in roasting equipment or processing plants. However, to ensure product stability and align with brand positioning, businesses must partner with a manufacturer possessing strong capabilities in raw material sourcing, R&D, roasting technology, and quality control.

Positioned as a long-term B2B coffee supply partner, Lien Viet Green has established an end-to-end OEM ecosystem: from green coffee sourcing and sample testing to custom flavor profiling, roasting, and packaging. Our technical expertise and ISO 22000:2018 certified food safety management system allow businesses to scale with confidence.

CQI Q GraderStandardized sensory evaluation of green beans and roasted batches on SCA cupping forms.
ISO 22000:2018Certified food safety management across every production station.
Hot Air + AIConvection roasting with AI-assisted tracking of roast curves and Rate of Rise, batch after batch.

What Is OEM Coffee and Why Should Businesses Choose It?

OEM (Original Equipment Manufacturer) in the coffee industry is a model where a manufacturer roasts, processes, and packages coffee according to the client’s specifications and brand identity. The client owns the brand, packaging design, and commercial rights, while the manufacturer manages raw sourcing, roasting curves, and packaging operations.

Hand holding a Lien Viet Green ground coffee bag and roasted beans
Hand holding a Lien Viet Green ground coffee bag and roasted beans

Enabling Brands to Develop Signature Products

Instead of reselling generic commercial coffee, OEM allows brands to formulate their own taste profiles. This is critical for cafe chains, specialty coffee shops, and retail brands that want to build a distinctive flavor identity and avoid direct price competition.

Reducing Capital Expenditure and Production Risk

Building a professional roastery requires substantial capital: commercial roasters, green bean storage systems, quality control equipment, packaging lines, and skilled roastmasters. By partnering with an established OEM provider, businesses convert high fixed capital costs into flexible operating costs, allowing them to focus resources on marketing, sales, and channel expansion.

At a glance
ItemBuilding your own roasteryOEM with Lien Viet Green
Roasters, storage, packaging linesHigh fixed capital, plant and equipment on your booksFlexible operating cost on an established production base
Quality control and food safetyBuild and maintain your own QC systemISO 22000:2018 certified facility
Sensory expertise and R&DRecruit and train roastmasters and gradersCQI Q Grader team on SCA cupping protocols
Where your resources goSplit between production and growthFocused on marketing, sales and channel expansion
Cafe chainsSpecialty coffee shopsRetail brandsHotels and resortsExport markets

CQI Q Grader – The Technical Foundation in Coffee Evaluation

Quality control in coffee cannot rely on subjective guessing. It requires standardized sensory analysis based on international protocols.

The Coffee Quality Institute (CQI) Q Grader certification is the global benchmark for professional coffee cupping and grading. At Lien Viet Green, our CQI Q Grader team evaluates green beans and roasted batches using Specialty Coffee Association (SCA) standard cupping forms, assessing fragrance/aroma, flavor, aftertaste, acidity, body, balance, uniformity, clean cup, and sweetness.

Lien Viet Green team and clients cupping coffee together at the tasting table
Cupping table at Lien Viet Green. Green beans and roasted batches are scored on SCA standard forms.
Close-up of cupping bowls, water glass and spoon on a wooden table
Close-up of cupping bowls, water glass and spoon on a wooden table
SCA cupping attributes
Fragrance / aromaFlavorAftertasteAcidityBodyBalanceUniformityClean cupSweetness

Why Sensory Evaluation Matters for B2B Clients

Sensory analysis helps roasters and buyers identify defects early, optimize roast profiles, and maintain consistent flavor across consecutive crop seasons.

ISO 22000:2018 Certified Food Safety Management

For F&B chains, corporate clients, hotels, and export markets, food safety certifications are mandatory criteria during supplier auditing.

Lien Viet Green operates an ISO 22000:2018 certified processing facility. Every processing step, from green bean reception, storage, roasting, cooling, and degassing to grinding, sealing, and warehouse logistics, is systematically managed under the ISO 22000:2018 food safety management system.

Staff in lab coat and hairnet weighing a green coffee sample
Sample weighing at green bean reception.
Hand-sorting defective green beans on a white table
Defect sorting before roasting.
Green beans
  1. 1Reception
  2. 2Storage
Processing
  1. 3Roasting
  2. 4Cooling
  3. 5Degassing
  4. 6Grinding
Finished goods
  1. 7Sealing
  2. 8Warehouse logistics
Eight controlled stations. Standardized process control eliminates unwanted variation as production volume scales.

End-to-End Control from Farm to Finished Package

A reliable OEM process requires strict oversight at every station. Standardized process control eliminates unwanted variations and provides a stable foundation for maintaining high quality as production volume scales.

Lien Viet Green – Tailored OEM Solutions for Every Business Model

We approach OEM not simply as a subcontracting service, but as an integrated product development partnership:

How an OEM project runs
  1. Green coffee sourcingBeans selected for your positioning and brew method
  2. Sample testingQ Grader cupping on SCA forms
  3. Flavor profilingBlend and roast profile refined to the target cup
  4. RoastingHot Air roasting with AI monitoring, ISO 22000 facility
  5. PackagingWhole bean, ground or steeped bags under your brand

Custom Roasted Coffee Beans and Blends

We formulate tailored coffee profiles for diverse brew methods: espresso machine blends, traditional phin filter blends, signature cold brew blends, and specialty single origins for cafes, hotels, and restaurants.

LVG Coffee Espresso Holic, Drip Daily and Phin Heritage for three brewing methods
LVG Coffee Espresso Holic, Drip Daily and Phin Heritage for three brewing methods
Lien Viet Green traditional phin ground coffee bag
Lien Viet Green traditional phin ground coffee bag

OEM Steeped Coffee Bags and Private-Label Products

Hot water poured into a glass cup holding a coffee dip bag
OEM/ODM steeped coffee bags.

Beyond whole bean and ground coffee, Lien Viet Green specializes in OEM/ODM steeped coffee bags, a convenient format ideal for hotels, resorts, modern offices, corporate gifting, and retail expansion. We handle complete customization: grind size, nitrogen-flushed foil packaging, outer box design, and brewing specifications.

HotelsResortsOfficesCorporate giftingRetail

Hot Air Roasting Technology Integrated with AI Monitoring

In commercial coffee manufacturing, repeatability is paramount. Lien Viet Green utilizes industrial Hot Air convection roasting combined with AI-assisted process tracking. This system monitors real-time roasting curves, Rate of Rise (RoR), and environmental temperatures to replicate target roast profiles batch after batch with minimal deviation.

Roast monitoring screen in the roastery
Roast curves tracked on screen in real time.
220°180°140°100°036912 minFirst crack3 batches · 1 profileBean temperature (°C) over roast time
Illustrative chart. Three batches on one target profile overlap almost exactly. This is what AI-assisted curve tracking is for.

From Artisan Experience to Data-Driven Consistency

While the roastmaster’s craftsmanship remains vital for initial product development, large-scale commercial production requires data. Standardized data recording reduces human error and ensures uniform cup quality across monthly delivery cycles, a crucial factor for franchise F&B chains opening new locations.

Why Partner with Lien Viet Green?

Selecting an OEM partner should not be based solely on price per kilogram. Businesses need a comprehensive evaluation of bean supply, R&D expertise, quality assurance, production capacity, and post-delivery technical support.

Five things to evaluate in an OEM partner
  • Bean supplyDirect sourcing from growing regions, selected by cup quality rather than name or price.
  • R&D expertiseCQI Q Graders run sample testing, cupping and flavor profiling.
  • Quality assuranceISO 22000:2018 facility with eight controlled stations from reception to logistics.
  • Production capacityIndustrial Hot Air roasting with AI monitoring that holds the profile as volume grows.
  • Post-delivery technical supportA long-term partnership, not a one-off subcontract.

Conclusion: Successful OEM Coffee Begins with a Capable Partner

“A superior OEM coffee product does not start with attractive packaging. It starts with the right raw material, disciplined process control, and solid product development expertise.”Lien Viet Green
Lien Viet Green booth with the slogan "Coffee supply and contract manufacturing partner" at the Da Nang trade fair
Lien Viet Green booth with the slogan "Coffee supply and contract manufacturing partner" at the Da Nang trade fair

If your business is seeking a professional, reliable OEM coffee manufacturer for long-term growth, contact Lien Viet Green to request samples, discuss recipes, and receive a customized manufacturing proposal.

Request samples and a custom OEM proposal

Send us your product positioning and brew method. Our Q Grader team will propose beans, a roast profile and packaging to match.

+84 846 008 002 · +84 363 008 002OEM hotline (Vietnamese and English)
coffee@lienvietgreen.comSample and quotation requests
33/5 Hoang Minh Dao, Long Bien, Hanoi, VietnamOffice and roastery

For a step-by-step view of a private-label project, read about the OEM coffee manufacturing process and its brand benefits.

If the certifications are new to you, our explainer on what SCA, CQI and Q Grader mean covers the basics.

See what we can roast and pack under your name on our OEM and private-label coffee page. Want to taste before you decide? book a cupping at our Long Bien roastery.

Frequently asked questions

What is OEM coffee?

OEM coffee is coffee that a manufacturer sources, roasts and packages to a client's specification and brand. The client owns the brand, packaging design and commercial rights, while the manufacturer handles green coffee sourcing, roast profiles and packing.

Is Lien Viet Green's roastery ISO 22000 certified?

Yes. Lien Viet Green's roastery in Long Bien, Hanoi is certified to ISO 22000:2018. Every station, from green bean reception and storage through roasting, cooling, degassing, grinding, sealing and warehouse logistics, runs under that food safety management system.

Why does a CQI Q Grader matter for an OEM coffee supplier?

A Q Grader evaluates coffee with standardized sensory protocols instead of guesswork. Lien Viet Green's CQI Q Graders score green beans and roasted batches on SCA cupping forms, which helps catch defects early and keep flavor consistent across harvests.

What OEM coffee products can Lien Viet Green make?

Lien Viet Green produces whole bean and ground coffee, custom blends for espresso, phin and cold brew, and steeped coffee bags, all packed under the client's brand. The service covers sourcing, sample testing, flavor profiling, roasting and packaging.

How do I start an OEM coffee project with Lien Viet Green?

Share your product positioning and brew method, and the Q Grader team will propose beans, a roast profile and packaging. You can also book a cupping at the Long Bien roastery in Hanoi to taste samples before deciding.