Each refill is tested by manual handwriting to see if it can be written fluently. Also before shipment, we will take 1/1000 of the products and use the machine to detect the writing length
Contact Person: Ms. Lisa chen
Tel: 86-13459286853
Fax: 86-0592-6283041
Special high temperature vanishing ink erasable gel pens with eraser
Transparent Tube Hot Sensitive Ball Friction Pens With Erasable Gel Ink
Erasable Planner Student's Writing Drawing Friction Colors 12
Friction Colorful Bright Erasable Pen Ink Disappear
Students Writing Stationery Friction Rollerball Erasable Pens
Magic Air Disappearing Thermo Sensitive Erasable Clicker Pens
Promotion Nontoxic Ink Friction Erasable Markers
Invisible Ball Barrel Click Eraser Includ Friction Color Markers