Oolong tea manufacturing process
Semi-fermented original aroma & deep taste, & refreshing after-taste, supply tea machines which maximized these qualities.
Plucking
Carefully plucks new shoot that have been carefully cultivated.
- ・Harvesting time:From mid-May
- ・Moisture:350% D.B
- ・Moisture:78% W.B
- ・Leaf weight:100kg (Tentative)
Withering process
Hexagon withering machine
Wither the fresh leaves & improves the aroma by changing internal components.
- ・Time:~few hours
- ・Moisture:~240% D.B
- ・Moisture:~71% W.B
- ・Leaf weight:76kg
Parching process
Pan firing machine
Deactivates oxidase by pan firing.
- ・Time:5~10min
- ・Moisture:150% D.B
- ・Moisture:60% W.B
- ・Leaf weight:56kg
Rolling process
Tea roller
Unifies leaf moisture by rolling.
- ・Time:15~20min
- ・Moisture:150% D.B
- ・Moisture:60% W.B
- ・Leaf weight:56kg
Drying process
Secondary rotary dryer
Rolls the leaves & makes to rolled shape while drying by sending hot air to rotating drum.
- ・Time:30~50min
- ・Moisture:80% D.B
- ・Moisture:44% W.B
- ・Leaf weight:40kg
Drying process
Roast tighten dryer
Heats the leaves & tighten by rolling to make the shape.
- ・Time:120~150min
- ・Moisture:10% D.B
- ・Moisture:9% W.B
- ・Leaf weight:24kg
Drying process
Drawer type dryer
Dries properly as to be stored.
- ・Time:30min
- ・Moisture:5% D.B
- ・Moisture:5% W.B
- ・Leaf weight:23kg