What is the quality of Tianwei toner cartridges and Tianwei HP toner cartridges?

About quality: Tianwei professional toner cartridge adopts brand-new professional photosensitive drum. The components of the selenium drum have also undergone rigorous matching tests and inspections. With the new technology, Tianwei toner cartridge is firmly fixed, clear and tidy, and the blackness can reach 1.4- 1.5, and the printing quality is quite excellent. In addition, Tianwei also has environmentally friendly toner cartridges. Environmental-friendly toner cartridges are used toner cartridges that are recycled, cleaned, tested and replaced, so as to reach the best use standard. Tianwei's products have passed ISO900 1 international quality certification and ISO 1400 1 international environmental management system standards, leading other products in the same industry in China, and consumers can buy with confidence. About fame: Tianwei is the representative of excellent domestic manufacturers. At present, there are more than 200 domestic patents and more than 70 foreign patents, and this data will definitely climb, which will increase confidence for users who choose domestic consumables. Tianwei not only produces selenium drums, but also produces consumables such as ink cartridges, which can be well guaranteed after sale.