Pls.let us introduce ourselves here,we are specialized in manufacture various series of laser printer consumption products,with 5 years experience in this field, we have strong technical ability to make sure all strict production.We also have ISO 9001:2000 certificate.Here are our product range: xxxxx new & remanufactuered laser toner cartridge for HP,branded,Samsung,Brother, Epson,Xeox,Lexmark,Dell 2.Black toner powder for laser printer xxxxx drums, MR,PCR Rolloer,DB&WB for laser printer