The people who attend the signing ceremony includes Mr. Su Fan, Director of the International Cooperation Department of Chinese Environmental Protection Industry Association, Mr. Matthias Biermann, Commercial Counsellor of the Embassy of the Federal Republic of Germany in the People's Republic of China, Mr. Quang-Do Pham, General manager of DURAG in China, Roland Bianchin, Chairman of DURAG, Director Mr. Hotze Bernd, Sales Director Mr. Frank-Uwe Schulz, Managing Director of Huelsenberg Holding DURAG, the parent company Mr. Andres Pinter, SDL Chairman Mr. Ao Xiaoqiang, SDL Vice President Mr. Wang Qiang, Supervisor Ms. Zhou Jiaqiu, and Deputy Chief Engineer Mr. Huang Wei.