The 5th China(hangzhou) international plasctic pipe conference, which is organized by CPPA and PPCA has been successfully concluded on 26^th -27^th october,2017 in New Century Grand Hotel-Hangzhou. Walthmac has been invited to attend . In a sprit of mutual improvement and Step forward hand-in-hand,Walthmac people had an amazing and wonderful football match with the people also working in plastic pipe field before its begaining. This conference is aimed at improving the technical level of plastic pipe processing, overall competitiveness and enhancing international communication. Reports regarding how to improve quality, how to achieve sustainable development,what the status of industry is has been made by representatives from different countries, the conference totally lasts 2 days. Moreover,Walthmac set up a stand outside the conference hall to exchange experience with the people from pipe industry.Meanwhile,products produced by walthmac has been displayed .