Now with the need of our customers required we have product our own ink ribbon(use only for MAX letatwin LM-380a,LM-370E from Japan),The costs have been reduced greatly,Customers were widely used in praise in many countries,such as Malaysia,Kroea,India and so on. I think it will take you more profits please think about it .if you will consider to use it .I will send you some samples for texting.