1.our printing quantity is more than other compitable ink.

2.high density is better than ricoh, duplo, same as riso.

3.dry speed: same as original.

4.with pleasant smell and shinning black bright color.

So U wanna know what is good ink?

pls first to learn how to judge ink! U wanna know? then pls contact us: tel: +0086-25-52782859 fax:+86-25-52782861, our expert will tell u how.