China Waterproof Zipperndi nthambi ya zipi ya nayiloni, yomwe ndi zipi ya nayiloni yokhala ndi chisamaliro chapadera.Amagwiritsidwa ntchito mwapadera njira mankhwala monga: kumamatira PVC filimu, kumata TPU filimu, akuwukha mu wothandizila madzi, ❖ kuyanika madzi zipu ndi zina zotero. Cholinga chaMipukutu Yopanda Madzi ya Zipper makamaka kusewera ntchito yopanda madzi ikakumana ndi mvula.Zipi zopanda madzi zimagwiritsidwa ntchito kwambiri, zoyenera: mahema, zophimba zamagalimoto ndi mabwato, malaya amvula ndi zinthu zina zosagwirizana ndi madzi. Kukongola kwa mankhwala ndi zotsatira zothandiza za kutsekereza madzi: pamwamba paZipper Yosawoneka Madzifilimuyi ndi yathyathyathya komanso yosasunthika, yomveka bwino ngati chikopa, chomwe ndi maonekedwe a zipi zapamwamba zosalowa madzi.Zipper mano kusiyana ndi yaing'ono, madzi zotsatira zabwino.