To perform the best quality of toner cartridges, all the finished must be tested in the machines we invested from US, Japan, Europe, South America to assure the imaging quality and compatibility of different versions Except for our capacity from black toner factory in Nairobi, we have signed contract with strongest partner in the world like Mitsubishi,Tomoegawa for best toner cost and quality To perform the best quality of toner cartridges, all the finished must be tested in the machines we invested from US, Japan, Europe, South America to assure the imaging quality and compatibility of different versions