About us

Guangzhou Super Grand Electronic Technology Co., Ltd., short for “Super Grand”, is an innovation- driven company which is committed to R&D,design ,production and marketing of  intelligent mobile terminal products .

In 2013 , founder Mr. Sijin Feng ,together with members of ZTE, Sony Ericsson, Motorola R & D team ,a total of 21 experienced people set up Super Grand Electronic Technology Co., Ltd .Brand "DOING" was officially registered at that time . We are working with Texas instruments, spectacles photoelectric, media Tek.Inc , Sharp, SONY, Corning and other big companies,forming a community to share sources .Super Grand focus on development of  wireless micro projection communication terminal products and providing micro projection(DLP&LCOS) solutions to customers worldwide

In 2015 ,Super Grand joined hands with China Chamber of Commerce and Evergrande online platform to release DOING /SKY SCREEN series products on the theame of "micro projection intelligent mobile terminal".

Company History

Yesterday ,today and tomorrow -

1.In 2013 ,founder Mr Sijin Feng established Super Grand Electronic Technology 
2.Aiming at providing new projection experience ,we strive to move technology one step forward
3. In 2014 ,brand “Doing” is registered ,we pay more attention to research& development
4.In 2015, the first generation pico-projector phone was released and then launched it in domestic market
5. Early in the year of 2016,we updated the system ,making it higher configuration
6. The flagship phone SkyScreen D8 projector phone brings us good reputation from our customers
7. Open our eyes to the global market, we are developing overseas’ cooperation opportunity
8. Welcome to join Super Grand Electronic Technology ,let us do something for this field .


Driven by the spirit of innovation ,Super Grand Electronic Technology developed the android pico-projector smartphone. What you see is not merely a smartphone but a creative combination of mobile communication terminal & micro projection . With 13MP rear camera and 8 MP front camera , amazing pictures and videos are just at your fingertips. Powerful 4500mah high-capacity battery , 4 hous' video is not a problem .Brightness is 50 lumens and 3 GB RAM & 32/64 GBROM ,support 64 GB extended card ,dual-sim card slot (LTE+LTE).DLP technology and 20000 hours' cycle life ,Octa-core 1.5 GHZ processor ,vivid 5.5 inch FHD IPS touch screen ,2.5 D screen design enable you to have an impressive experience.Our key product is android projector phone ,others include :.


20,000sqm factory | 21 R&D engineers and experienced staffs


We are currently working with above typical partners


Based on domestic market ,we are operating worldwide .


 ISO 9001-2008 authorized and  FCC- RoHs and CE-marked