On May 25th 2006, CHENGDA President Mr. Cao Guang, Vice President Wang Yunsheng, Direct Manager of Project Management Dep. Mr. Zhou Shilin, Vice Director Manager of International Bussiness Department Mr. Yu Rusheng had held a colloquium with Mangers of Wacker Germany on Zhangjiagang HDK Project and RTV Project; and further more both sides had given and taken notes for potential cooperation.