Shenzhen Sunvalley Tech Co., Ltd. founded in 2001, is dedicated in designing, manufacturing and distributing laptop peripherals and portable storage products. Our company is the first one which developed PCMCIA CD-ROM interface card in China.   As a professional producer, we always place much emphasis on quality control.Special quality control measures have been implemented in the whole process from materials selection to final delivery. Based on our strong R&D team, strict QC system & skillful work force, we provide you not only competitive price, but also great quality and satisfied after sale service.  Currently we supply laptop parts as below:  1.Laptop Adapter  2.Laptop Battery 3.USB CDROM, Internal CDROM, PCMCIA CDROM  4.USB CDRW, Internal CDRW  5.USB COMBO, Internal COMBO  6.USB DVDROM, Internal DVDROM 7.USB DVDRW, Internal DVDRW 8.USB Floppy Disk Drive  9.USB/PCMCIA Caddy 10.Bezels and kits  11.Others  "SUNDAY" "DODO" are our two super brands, moreover, we have excellent capability of filling customers OEM requirements.   Any questions please feel free to contact us. And you are welcome to visit our website www.sunvalley.com.cn for more information.