Purchased Shenzhen DONZHI Technology Co., Ltd. and Chengdu Fuliye Electronic Technology Co., Ltd., for the transformation into the intelligent Network and military industry information

A joint venture- Shandong SDG Light Source and Optical Communication Co., Ltd., was founded

winning the honorary title “National Enterprise Technical Center”

The joint venture –Changzhou SDG Huayin Wire and Cable Co., Ltd. was founded

SDG Information Chongqing Optical Cable Co., Ltd., was founded

1200-slotted core optical cable in China with most core numbers and the latest structure in the world

The only first-inspection qualified enterprise in the national “Power Sky Road” Engineering Project

a joint venture –Shenzhen SDG Information Optical Cable Co., Ltd., was founded

Shenzhen SDG Information Optical Technology Co., Ltd., was founded

optical cable products applied in Olympic venues

intelligent optical access system won National Scientific and Technological Innovation Award

Annual output doubled 1 million KMF

First 10KV OPPC optical cable utility line

Publicly listed in Shenzhen Stock Exchange (Stock Code: 000070)

SHENZHEN SDG INFOMATION CO., LTD. (SDGI), was officially registered for its establishment

The first large-span optical cable without connectors in China– No. 1 Cable over the Yellow River

The first ADSS optical cable in China– No. 1 Cable over the Yangtze River

One of its predecessors – Shenzhen Optical Communication Networks Co., Ltd., represented one of the earliest companies in China producing and developing the Optical fiber and optical cable.