The liquid ink pen redefines the value of writing tools with its liquid ink fluidity, ball bearing structure, and ergonomic design. This article comprehensively analyzes its working principle, technic...
136th Canton Fair phase 3 Oct 31- Nov 4, 2024 , Our booth no. 9.3E36-37,9.3F10-11 See you there! We will surely show you our new products including new markers, new colors, new gel and rollerball pens...
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