Free Ink System Roller Pen.

Free Ink System Roller Pen • Free ink system • Smooth writing to the last drop • Ecologically friendly • Ergonomic design • German ink technology • No light write, No leakage or starving Specifications of Different Types • Liquid ink conforms to ASTM D-4236 • Tip: Stainless steel bullet/pipe/needle type • Ball:0.5mm/0.7mm MOQ:60000pcs/foil Timely and specialized service To ensure customer satisfaction, each of our pen tips has passed 100% quality inspection. Made with the latest technology and equipment, committed to Aton staying on the industry’s cutting edge. Modify the industrial structure, standardize operation procedure, check quality at each level to service customers with high-quality products, and build powerful brands.