Mastone Communication & Electrical Development has seven years of experience in researching and manufacturing mobile phones. We focus on GSM, CDMA, G plus G, G plus C and relative technology in telecommunication. We have developed over 50 models, catering to different markets. Two centers for your serviceWe've set up MD, design, project and software departments in our headquarters in the Shenzhen Hi-tech Industrial Park. Our production base in Yangzhou, Jiangsu province occupies an area of 64,000m2, contains six production lines and rolls out 250,000 units every month. CTA and CCC certificatesOur 80-member QC/QA staff conducts stringent inspections on each assembly line. With the help of testing machines such as wireless communication testers and mobile communication DC sources, we maintain a low defect rate. Our ISO 9001:2000-certified production ensures that all of our mobile phones come with CTA and CCC marks. Samples ready in 20 daysWe supply OEM services for clients from Europe, India and East and South Asia. Your sample can be ready within 20 days. To learn how we can serve your needs, contact me today.