From Russia customer coming our office
he coming our office with his translator,we shared our ir ink to him.and write some different ir wave on the paper, as like 775nm,810nm,880nm. he wanna take back with the paper form his Country. after confirm will call me sending inks.
welcome they're back again, is nice and kindly with them. if some one interested with the ir ink, can call me anytime. contact number :+86-13532656986 email:firstname.lastname@example.org