Guangzhou Super Grand Electronics Technology Co., Ltd., is committed to high-tech electronics mobile intelligent terminal product development, production, sales as one of the group.

Under the leadership of Sijin Feng, 2013 by ZTE, Sony Ericsson, Motorola R & D team, a total of 21 people together, set up the Super Grand Electronic Technology Co., Ltd. and "DOING" brand officially registered at the same time, and successively with Texas instruments, spectacles photoelectric, media Tek. Inc, Sharp, Sony, Corning and other international well-known supplier of community resources is established. Since then, it focus on wireless micro projection communication terminal product development, and provide quality of micro projection(DLP, LCOS) solution to the domestic and foreign customers.

In 2015, the Chinese chamber of commerce and the Ever grand micro purchase business join with Super Grand to launched "micro projection intelligent mobile terminal" DOING /SKY SCREEN series products, won the innovation of science and technology achievement award. "DOING" is currently the world's first 8-core 64 top configuration mode frequency of 16 + 4 g 17 Netcom, 80 lumens phones, high-definition projection in micro projection in the mobile terminal industry.

The mission of the future "DOING ", To make Chinese people proud of national brand.