PVC zitsulo waya ozungulira analimbitsa payipi - kwa ophatikizidwa ozungulira zitsulo waya mafupa a PVC mandala payipi, kuti ntchito kutentha -10 ℃ ~ +65 ℃, mankhwala ndi opepuka, mandala, wabwino nyengo kukana, kupinda utali wozungulira ndi yaing'ono, kukana zabwino. kupsinjika koipa. Ikhoza kukhala yaikulu ...
Werengani zambiri