Municipal Lighting:
0535-6762039
Coal Lighting:
0535-6762059
Chemical Lighting:
0535-6762036
Traffic Tunnel Lighting:
0535-6762079
Human Resources:
0535-6762977
E-mail：
hdwychina@163.com
Add:
No. 55, Chuangye Road, High-tech Zone, Yantai City, Shandong Province
