外国美女色情片

The 70th IIW Annual Assembly and International聽Conference
will be held in Shanghai China on 25-30 June, 2017

This is a unique global forum that provides the opportunity for professionals from around the world to share and develop scientific and technical knowledge of welding and related activities. The Chinese Mechanical Engineering Society (CMES) and Chinese Welding Society (CWS) are honoured to have the opportunity to host the 70th IIW Annual Assembly and International Conference in Shanghai. The two-day International Conference will focus on Green Welding Technologies for Effective and Reliable Manufacturing.