Siv rau ntau yam khoom yas, xws li PVC, TPO, PE thiab lwm yam.Ua tau los ua cov ntawv hauv qab no:
Yas yob daim ntawv ( qauv: H): tsis muaj txheej nrog cov khoom siv txhawb zog sab hauv lossis cov khoom siv sab nraud.
Yob daim ntawv nrog cov fiber ntau sab nrauv (Model: L): txheej nrog fiber ntau lossis tsis-woven npuag.
Inner reinforced yob ntawv (Model: P): Sab hauv txheej txheej nrog polyester mesh.
Inner reinforced yob ntawv (Model: G): Sab hauv txheej txheej nrog iav fiber.