LUOYANG HAERE ENERGY TECH CO.,LTD
PVC pipe and HDPE pipe comparison
He aha te ahua o te paipa PVC hei whakamahi mo te punaha whakaheke wai awha?
I roto i te hanga hou me te hangarau o te taone, he mea nui te hoahoa me te kowhiringa rauemi o nga puna wai. PVC (polyvinyl chloride) Ko te paipa tetahi o nga rawa pai mo te whakaheke wai na te mea…