CURATED
ROASTED
REVERED
Cafe Partners
The
Fermion Way.
Small variables. Cleaner cups. More deliberate flavor.
Variety
Each coffee starts with a distinct character worth protecting in the cup.
Fermentation
Processing choices are treated as flavor-shaping decisions, not background details.
Moisture
Water activity and stability help determine how a roast develops and rests.
Density
Bean density guides heat application, development pace, and cup structure.
Development
Roast profile decisions are composed for clarity, sweetness, and balance.
Consistency
We roast so the final brew feels reliable, expressive, and easy to return to.
Latest
Roasts.
Freshly roasted coffees from the current Fermion lineup
Chronicle
Frequently Asked Questions
A quick guide to our coffees, roasting rhythm, shipping flow, and buying process.
What is Fermion Roastery?
Fermion Roastery is a micro roastery focused on providing the best specialty coffee beans for your daily brew and cafe, straight from East Cirebon.
How often do you release new beans?
We drop new "Specimens" (single origins and experimental lots) bi-weekly. Keep an eye on the "New Releases" section or subscribe to our
newsletter for early access.
How do I become a B2B partner?
We offer specialized wholesale programs for cafes and restaurants. Please visit our Wholesale page to submit an inquiry, and our lab
team will contact you for a tasting session.
What is the minimum purchase for wholesale?
Our wholesale pricing tiers begin at a minimum order of 5kg per month. We offer scalable pricing as your volume increases.
Do you ship internationally?
Currently, we focus on delivering the freshest roasts within Indonesia to maintain quality. However, we are actively exploring
international shipping options.