Dear Sir/Ms：
We sincerely invite you to join the 2012 World Green Roof Congress in Hangzhou China from Oct. 22nd to Oct. 26th, 2012. 2012 World Green Roof Congress•Hangzhou China will be co-sponsored by World Green Roof Infrastructure Network, International Rooftop Landscaping Association and Hangzhou Municipal People’s Government. World Green Roof Congress (WGRC) builds a friendly public platform for elites both from the Vertical Planting industry around the world and from other industries who share concern for the global environmental protection to exchange information on new concepts, technologies and policies of ecological environmental protection and to promote the development of Green Roof industry in all countries, thus contributing to tackling global warming，building ecological, low-carbon and livable city and solving the conflict between human and land. Hangzhou, the most beautiful garden tour city in China, is the one of the richest city with fast economic and roof greening development. Please accept our invitation and send it to your friends or related organizations to help us gather leaders, designers, architects and students in Hangzhou. We will send you an official invitation later to you for applying for the Chinese visa.
Thanks for your collaboration!
Organizing Committee of World Green Roof Congress•Hangzhou China
The Secretary-General: Wang Xian-min 15th February, 2012

International Liaison Department: William Wei Mobile: 0086-1371 8888 305
E-mail: wrgmay2010@hotmail.com
Chinese website: www.greenrooftops.cn
Address: Room 105, Building 4, No.9 Yuan, Sanlihe Road, Haidian District, Beijing, China
Zip Code: 100037
Tel: 0086-10- 6711 5339
Fax: 0086-10- 6831 2977