Dongguan City Mastai masana'antu Co., Ltd. samar da ginin bango ruwa-proof baƙar fata farin fim, ginin ruwa-proof Layer anti-infiltration fim da ake amfani da uku layers co-extrusion da kuma high yawan polyethylene samar, Mastai ruwa-proof fim za a iya tsara anti-infiltration fim bisa ga abokin ciniki bukatun. The anti-infiltration coefficient na uku layers co-extruded anti-infiltration film ne mai kyau, ingantaccen sarrafa cikin gida iska da kuma anti-infiltration ruwa aiki ne mai kyau. Ana amfani da shi mafi yawa don abubuwan da ke cikin ƙasa, bene mai hana leakage, rufin mai hana leakage.

Dongguan City gine-gine rainproof fim masana'antun da ke cikin No. 71 Lianfeng Sanheng Road, Dalingshan Town, Daling Industrial Zone, Dongguan City. Mastai masana'antu samar da gine-gine membrane walda shigarwa sabis.