On May 5-May 8, 2008, general manager Zhang Baojun, manager of market information department Zhang Qimin participated in the 39th Offshore Technology Conference(OTC) in Houston.
On May 5-May 8, 2008, general manager Zhang Baojun, manager of market information department Zhang Qimin participated in the 39th Offshore Technology Conference(OTC) in Houston.
Add：No. 69 Dengzhou Road Dongying City Shandong Province, China