... ball pen2) MOQ: 10,000pcs/color3) Use: writing,promotion,gift4) Pen color :standard colors as pictures show, also can do customer ... ) LOGO:customer's LOGO by .AI or PDF format6) Refill : plastic ink7) Refill ink : Blue or Black writing , valid date :18 months8) ... ability :20000pcs /day13) as we are a big and professional PEN-producer and supplier in Ningbo,China,Producing Pens,Ballpens,Promotional ...