... . The piston pump type device8. Certificate of the paint pen, paint pen: full test reports of SGS,RoHS,ASTM,D-4236,EN71 ... company is mainly manufacturing paint pen, marker pen, gel pen, ball pen, whiteboard pen, highlighter,silver refill, auto vanishing pen, Water erasable pen, At the same time ... ) Terms of payment: T/T, L/C at sight, and Western Union; We are committed to offering good products at low ...