On September 6,2006, President of Chengda Caoguang and President of China Nanbo Group Co. Ltd. Zengnan signed the contract for design of 1,500 TPApolysilicon plant of Yichang Nanbo Silicon Matieral Co. Ltd which was invested by China Nanbo Group Co. Ltd. Vice Presidents Lu Zheyu and Wang Yunsheng, as well as Deputy Secretary Yin Qujun and Deputy Director Yangbiao of Chengda Engineering Corporationattended the signing ceremony. And Vice President Ke Hanqi of Nanbo Group, President Wang Huiwen, Vice President Cai Huanbin of Yichang Nanbo Silicon Material Co. Ltd as well as directors of each divisions of Nanbo Group and all members of the project teams were also in the attendance.