1. Malinga ndi muyezo wamakampani opanga makina, mitundu ya flange ndi: mtundu wa mbaleflat-welded flange, flange wopangidwa ndi matako, flange yofunika, matako-wokokeredwa mphete-mbale mtundu wa manja flange womasuka, wokhotakhota-wokokera mphete-mbale mtundu womasuka wa manja flange, flanged mphete-mbale mtundu womasukathumba la manja, chivundikiro cha flange.
2. Mtundu wa Flangemolingana ndi chikhalidwe chamakampani opanga mankhwala: mbale flatkuwotcherera flange(PL), yokhala ndi lathyathyathyakuwotcherera khosi flange(SO), flange yofunika (IF), ulusi wa flange awiri (Th), ndi (WN) matako kuwotcherera flange,zitsulo zowotcherera flange(SW), mphete yowotcherera matako yotayirira (PJ/SE),lathyathyathya kuwotcherera mphete lotayirira flange(PJ/RJ), chophimba cha flange (BL), chivundikiro cha flange (BL (S)).
3. Malinga ndi muyezo wadziko lonse, mitundu ya flange ndi: mbale yamtundu wa flatkuwotcherera flange, khosi lathyathyathyakuwotcherera flange, khosi la khosikuwotcherera flange, flange yofunika, ulusi flange, khosi kuwotcherera khosi flange, matako kuwotcherera mphete khosi lotayirira manja flange, matako kuwotcherera mbale mbale mtundu lotayirira manja flange, flanges mbale mphete mtundu lotayirira manja flange, flanges.
4. Malinga ndi muyezo wamakampani a petrochemical, ma flanges amatha kugawidwaflat-welded flanges(SO), matako-welded flanges (WN), flanges ulusi (PT), socket welded flanges (SW), loose sleeve flanges (LJ), ndi zisoti flange (osatchulidwa mu tebulo).