ZHEJIANG LEO BUILDING MATERIAL LTD. set in year 1999, is a professional manufacturer of plastic pipe system for water supply in China, standard workshop 20000 square meters. all digital controlled lathe and over 200 workers, located near to Hangzhou City, Shanghai City and Ningbo City.WE make two pipe and fitting systems as:1.PEX-AL-PEX tube, PERT-AL-PERT pipe, brass fitting, brass ball valve for floor heat system2.PPR pipe, PPR fitting for house clean water supply