About Us

Established in 1984, Keda Group has 42 member companies including Keda Group Co., Ltd.

We provide sustainable renewable energy for everyone
Group Industry

Keda Group has set up subordinate organizations in Beijing, Shanghai, Shenzhen, Hangzhou, Yantai, Qingdao, Binzhou, etc. and set up engineering project offices in 12 provinces and cities in China.

We provide sustainable renewable energy for everyone
Corporate Culture

Develop by technology, establish Keda brand, provide quality products and satisfy customers.

We provide sustainable renewable energy for everyone
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Advocate the corporate spirit of hardworking, selfless contribution, dedication and patriotism, pursuit of excellence.

We provide sustainable renewable energy for everyone
Base Infrastructure
Home / Group Industry / Base Infrastructure
Qingshiguan Tunnel
Qingshiguan Tunnel of Boshan-Laiwu Expressway is 330 meters long. It is a twin span multiple arch tunnel, with single span of 10.61m, inner lining height 7.24m, net width of double span 23.12m, median wall width 1.9m. It consumed 96,000m3 subgrade earthwork. The project duration is from October 1996~December 1998.