... 100% pe100 raw materials PE-RT underground heating pipes 1.suitable for such heating as ... living room, bedroom, public bathroom, etc 2.ISO9001,CEPE-RT underground heating pipes1. Ground heating system, it is suitable for ... bedroom, public bathroom, swimming pool, kindergarten, nursery, old people's home of the family, etc. To use, it is still ... even flange, keep 2-5s, natural cooling. PE-RT underground