G&G products come from one of the largest toner cartridge manufacturers in the world. The group owns the largest toner chip factory and a huge production site. The factory operates in accordance with the strict quality management guidelines of the internationally recognised ISO 9001 and the environmental protection standards of ISO 14001. Why G&G? - The G&G brand from the Chinese world market leader in alternative printer cartridges Ninestar stands for the highest quality, environmental protection and patent security - Ninestar produces according to the ISO9001 quality standard and the ISO14001 environmental standard - Comparable print quality to the original - Significantly lower printing costs. Compatible with: DYMO; Labelwriter 310, 330T, 400, 450 and 4XL.