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About
2015

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


2014

winning the honorary title “National Enterprise Technical Center”



2013

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



2012

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

2011

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

黄网站色视频免费The only first-inspection qualified enterprise in the national “Power Sky Road” Engineering Project

2009

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

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

2008

optical cable products applied in Olympic venues

intelligent optical access system won National Scientific and Technological Innovation Award

2006

Annual output doubled 1 million KMF

2005

黄网站色视频免费First 10KV OPPC optical cable utility line

2000

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

1999

黄网站色视频免费SHENZHEN SDG INFOMATION CO., LTD. (SDGI), was officially registered for its establishment

1992

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

1988

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.

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