We are a Chinese manufactory which is mainly producing ink cartridge, toner cartridges for HP, Epson, Samsung, Canon, etc to the different countries in the world. So we have found that specially great advantages in Price and quality about HP series after our several years business We also provide many Chinese factories with virgin materials of toner cartridges, such as OPC. PCR. MR. dB/WB, NEW TONER CARTRIDGE, CHIP, Epson continuous ink system supply, auto reset chip for Epson, replace chip for HP etc.