Mr. Wu Hao, the first class of pen group in Wanli stationery group
A finished pen, pen first to select materials; then, carefully put each parts, materials, equipment, tools and complete assembly, is a complete finished pen.
Note: 1. copper parts and copper pipe size match. 2., copper parts of the pen mouth to refill the core, the standard length of the main. 3. copper or copper pieces must match the metal movement.
Source: Wanli stationery net |