During May 11th-22nd, headed by Mr. Su Ming, the Vice Secretary General Of CWA, a CWA green roof delegation visited Europen

green roof markets.

The delegation is consisted of 14 members, most of whom are writers and editors of National Code for Root Resistance

Waterproof Memberane of Green Roof. During this trip, they visited B¨¹sscher & Hoffmann GmbH in Enns, FLL institute in

Freising and LANXESS GmbH etc. The delegation also had meetings with  Austria Green Roof Association, Germany Green Roof

Association and France Green Roof Association. They learned a lot from Europen green roof markets, technology and codes, which

will facilitate their editing of China's National Code for Root Resistance Waterproof Memberane of Green Roof.

Original:CWA