I should check what I know about fountain pens. Typically, a fountain pen has a nib, ink, and a filling system. Brands like Montblanc, Lamy, and Parker are well-known. If God002 is a brand, maybe it's a newer or lesser-known one. The "U15 22 New" could denote the model (U15) and perhaps the year it was released (22 for 2022)?
