Appearance, Length measurement, Mine diameter measurement, Verification of coating adherence, Verification of mine eccentricity, Resistance to tip breakage, Verification of mine adherence, Verification of adherence between the parties, Watercolor pencil test, Tip obtaining, Packaging verification. According to NBR 15795
The $1 sales price is for guidance only. The final cost of each program will be sent after receiving your inquiry. Thank you.
