product model：r5888 ink color：black, blue, red pen specification：needle tip 0.38mm/0.5mm product packaging ：1pc/bak, 20pcs/inner box, 400pcs/inner box, 2400pcs/outer carton
address：no.21xiangjiang 1rd qingdao china economic & technology development area tel：(86) 532—532-83716797 email：snowhite@snowhite.com.cn