JOINWIN INDUSTRIAL DEVELOPMENT LIMITED, founded in 2004, integrates R&D, sale and production. We are a professional manufacturer of PC/Laptop/Server ram memory modules and parts, mobile phones, mobile phone parts, MIDs, mini laptops, USB flash drives, memory cards, MP3/MP4/MP5 players and other electronic products. With our great R&D efforts, we have accumulated abundant experience in ODM & OEM operation. We have successfully designed our private modules, which are warmly welcomed by overseas ...