Some common factors for marker pen quality control:
Appearance
Quantity check
Measurement(weight & size)
Basic function check
Rub & 3M tape test for Logo
Barcode scanning
Odor test
Carton dropping test
Some common factors for marker pen quality control:
Appearance
Quantity check
Measurement(weight & size)
Basic function check
Rub & 3M tape test for Logo
Barcode scanning
Odor test
Carton dropping test