whiteboard marker818,The products are certified by ASTMD-4236 and EN-71. Shantou Longhu Qingsong industry co..ltd. is a comprehensive manufacture corporation which located in Shantou City, GuangDong, China. Shantou Longhu Qingsong industry co..ltd. is specialized in producing permanent marker pen, whiteboard marker, whiteboard pen, dry-erase marker, cd marker, dvd marker, fabric marker, textile marker, ball pen,etc.
