We have passed EN71-1/2/3 testing, and ASTM D4236 Allt the ink can keep smoothly writing in 1year. 3colors are available. Logo can be printed on barrel, ideal for promotion, adverting, office, school.
This style can also make in white board pen.
For more items welcome to check our website: http://www.nbtaiyu.com
Our company was established in 1986, had passed ISO9002 certificate in 2000, and also got the ISO9001:2008. We are professional manufactory for mechanical pencils, ball pens, marker pens, gel ink pens, highlight pens etc. All the products with high quality and competitive price.