Applicant: The line is for manufacturing the PP-R hot or cool water pipe, PE-RT heat resistant
pipe and PEX pipe. PP-R pipe has the properties of non-toxic, healthy, heat resistant,good warmth keeping, easy and convenient for welding and recyclable. PEX pipe has the excellent temperature resistance character. PE-RT pipe, manufactured from PEX, doesn¡¯t need the cross-link technique during processing, it can be recycled and it is better in stability of heat resistant.