About us Blue technology limited is an integrated manufacturer specialized in the R&D, manufacturing and marketing of digital products. Now we devote to the production of mp3/4/5, USB and mini projectors. Since the year we established in 2005 in Shanghai, China, we have introduced the advanced technology and talents home and abroad and have built a strategic alliance relationship with the counterparts from Korea and America to dedicate to high tech products. Infrastructure Located near Shenzhen international airport, with an area of over 2, 000 square meters, we sincerely welcome you to come for a visit. Our Philosophy Honesty and technology are the managing principle. A well all-round after-sale service is our guarantee to every customer. To make great benefit for the customer is our target.