... small diameter pvc,pp,pe single pipe pp/pe/pvc single wall corrugated pipe production linethe line shall be used ... to produce small diameter pvc,pp,pe single wall corrugated pipe .corrugated pipes with smooth inside and outside suffaces,and even ... ,washing machine drain pipes ,dust collector pipes and ventiducts.main technical parameter :Pvc /pp/pe single wall corrugated pipe production linePipe ...