21XL US$4.2 Black ink cartridge inkjet ink cartridge printerinks cartridge Shanghai Yousheng China Trade Promotion sales Easy Buy & Easy Win Shanghai Yousheng Printers Consumable Co.,ltd ** A Taiwan-funded cartridges manufacturer, ** In Shanghai, ** Founded in 1999, ** Principle: Quality of cartridges is life. Our advantages 1 . high quality All the products are produced through strict procedures , including drying the empty inkjet cartridges and refilling ink with special machines and testing the products according to the international quality standard. Test for the PH value of ink: We have tested all the inks to ensure they have no harm to the printers of our customers. 2. verylow prices We are manufacturer and we can sell the goods at very low prices if the quantity is large enough. We have discount for the large orders. Every month, we have the promotion activities for some product models. 3. various packing We have one kind of white packing box and 2 kinds of color packing box for option. We can alsosupply the goods with customers' packing and brand. OEM service is offered. 4. prompt and considerate after -sale service We have professional sales team and we can supply prompt and high quality post -sale service. 5. much business experience We have been in this business field for 8 years and have won much praise from our customers in China for the sake of high quality and low price, as well as the good service. 6. fast delivery We can deliver the goods according to the quantity, about 3-15 days after the confirmation of the payment. We have DHL, Fedex, sea transportation, or by freight. keywords: cartridge, ink cartridge, inkjet cartridge, inkjet ink cartridge, printerinks cartridge, refill cartridge, refillable cartridge, cheapest cartridge, hot cartridge, cheap cartridges, inkjet cartridge, canon cartridges, cartridges canon, compatible cartridge