Flange
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Dubawa na daban-daban matsa lamba tasoshin na flanges kayan aiki bututu - ɓangare na uku dubawa sabis a China & Asia
Muna duba bawuloli, duba bawuloli, bawuloli na kofa, globe bawul, malam buɗe ido, toshe da jini bawuloli kamar yadda API6D & API 15000.Material na bawuloli za a iya kerarre (misali kamar yadda ASTM A105 forgings, ASTM A216 WCB don simintin gyaran kafa, ASTM). A351 CF8M simintin gyare-gyaren bakin karfe da duplex sa F51.