Wing Sung 601 Piston Draw Filler Fountain Pen Review

WOW !! Auto Draw Filler pen. A unique design. Shares some bits but the unique bits are very unique. Same nib/feed as 618. Compared to Vacu Filler design. Two great sites for more info: Frank Underwater https://frankunderwater.com/2018/04/0... Japanese site on Chinese pens - http://debbni.diary.to/archives/cat_2... Use translate in Chrome to read. One of my previous Wing Sung 601 video.    • Wing Sung 601 Fountain Pen - Pump Filler -...   618 video -    • Wing Sung 618 Green 12k Fountain Pen