SHANGHAI YOUSHENG PRINTER'S CONSUMABLE CO.LTD.Ink cartridge factory is located in Shanghai. China, which branch company is in HongKong.Now we are looking for more new good & long-term empties' suppliers because of our large demand in cartridge re-production. Every month we have quite stable and huge need for empty inkjet cartridges for HP20,HP21,HP22 . In the past 10 years, we have already cooperated with current partners very well due to our timely payment & considerate action.We hope we could get your kindness and help as well. If you have interest to provide us your virgin empty cartidge ( best for long-term coorperation ), please feel free to contact us anytime.Looking forward to receiving your email or phone call soon. Best regards Anita yang Show More