说明

• ✅ 【application】compatible with pens and printers, used for ink injection, transfer, ink garage tank cleaning and ink exchange ✅ 【high quality】adopt thick cylinder, clean size marks and beautiful printing, and gentle plunger ✅ 【clean and safe】each ink filling syringe has a protective conceal for blunt stainless steel needle tip that may not stain your palms when refilling ink ✅ 【note】stainless steel needle blunt plastic syringe is for business use only

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审核