water-pen

Water-resistant pigment-based direct liquid water-pen

"Water-resistant pigment-based direct liquid water- pen

Usage: file records, writing and signing by the enterprise managers and government officials, students to write and test.

The length of writing: 2.5 times as long as that of general water-pen.

Storage: still work after 180 days without cap, and it can be stored 2years with cap

FeatureThe handwriting will never fade when it meets water

Core technique: adapt the high-technology Nano pigment ink

The patent number of our ink: 200610098358.8; 200610097940.2

Water-Resistant Test:

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water-pen