· PPR tooj liab-yas compospiping system ·

1.Txhua tus dej tooj liab hla yog huv thiab nyab xeeb

2.Active bacteriostasis zoo rau kev noj qab haus huv

3.Fusion kev twb kev txuas yog yooj yim rau installation

4.Kev ntxhib los mos tsis yooj yim rau corrode

· Cov ntawv thov ·

Tsev so tsib lub hnub qub, khoom kim heev homes, qhov dej kub, qhov chaw nyob siab