TWSBI Pens are made in Taiwan they are available in several models TWSB ECO, TWSBI Diamond, TWSBI Go. These pens feature a large ink reservoir and piston refill mechanism. These are well know to be affordable high quality writing instruments and with their large ink capacity a great pen to start with.
TWSBI Eco Review – The Nibsmith
TWSBI ECO Fountain Pen Transparent Yellow – Reid Stationers
TWSBI Diamond 580 ALR Black Fountain Pen – Take Note Pens & Stationery
TWSBI ECO Fountain Pen Lilac – Reid Stationers
Pen Review: TWSBI Kai Limited Edition Fountain Pen — The Gentleman Stationer
TWSBI Eco Fountain Pen Creme Rose Gold – Take Note Pens & Stationery
TWSBI Classic Black Fountain Pen
TWSBI - Inexpensive Piston and Vacuum Filled Fountain Pens
TWSBI ECO CERULEAN BLUE PISTON FILLING FOUNTAIN PEN