Good day! This is is canna, Sales Manager from Nikita Green Products manufacturing Co., Ltd. CHINA , we are a on alibaba. existing two OEM manufacturers have passed ISO9001:2000, ISO14001:2004. And our products have passed ISO18455, FDA, GB18006-1999, GSG strict quality testing. We are specializes in green environmental protection techniques, our leading products are marker pen, whiteboard pen, dry erase marker pen, markerâ??s ink, green board, erasers , such a series of teaching stationery or office supplier. Our products are different from common ones : 1. Refilled with ink, and the nib can be replaced. 2. Non-toxic, harmless and pollution-free. It meets the EN71-3 (EU) and the ASTMF963-03 (United States) testing standards of SGS. 3. It cleans off easily with dry eraser 4. For all smooth board surfaces, such as whiteboard, window, glasses, table, paper. 5. They can be used on many place, like school, office, family, catering and so on. They also can be made several styles, do you have any new ideas? Some pictures below are for your brief view and further information at our website : http://***** Our marker pen and other products are green products which is deeply loved by customers. We are honestly looking forward to cooperating with you to create a green and safe teaching environment from now on. we sincerely hope to hear your enquiry or further suggestion which will give us an opportunity to server you better. Nikita Green Products manufacturing Co., Ltd http://***** ***** Skype:nikitaproducts Tel/Fax: (86) 591-8831 0840