At present, we mainly produce Opc drums for HP line, such as AX/HP1100, HP1200, HP2100, HP4000, HP4100, HP5000... Canon……/Samsung…….The color of our drums is green, looks like that of MITSUBISHI's drums. We're sure that not only in the appearance but also the quality of our new drums is close to the performance of original HP and MITSUBISHI's. We can also produce Opc drums as per your request.