Shanghai yousheng printers consumable Co. Ltd. located in Songjiang District, Shanghai. Our company has already passed the ISO9001 international quality system authentication as well as the ISO14001 environment system authentication. 10 years experience of remanufactured ink and toner cartridge, with developed technology and management, now we are supply OEM service for many clients from all over the world. We take persistent innovation and endeavor as our life. And this principle has led us to the one of the best influential companies in consumable industry. At Yousheng we pursued detail excellence. Our QC testing system strictly act up to the ISO9001, 14000 authenticationstandard, every ink cartridge including its package will be examined by QC Inspector. Each client is our pride, and it is your support which makes us stronger and stronger. We have missed your yesterday, but we are waiting for your tomorrow.