1. Raws li kev lag luam tshuaj (HG) tus qauv: integral flange (IF), threaded flange (Th), phaj tiaj vuam flange (PL), caj dab vuam flange (WN), caj dab tiaj vuam flange (SO), lub qhov (socket vuam flange) (SW), vuam nplhaib xoob flange (PJ / SEJ kab), flange npog (JP) welding. (BL(S)), flange cover (BL).
2. Raws li kev lag luam petrochemical (SH) tus qauv: threaded flange (PT), vuam flange (WN), tiaj vuam flange (SO), qhov (socket) vuam flange (SW), xoob flange (LJ), flange npog (tsis tau teev).
3. Raws li lub tshuab (JB) kev lag luam tus qauv: ib qho flange, vuam flange, phaj tiaj vuam flange, vuam nplhaib phaj xoob flange, tiaj vuam nplhaib phaj xoob flange, flanged nplhaib phaj xoob flange, flange npog.
4. Raws li lub teb chaws (GB) cov qauv: ib qho flanges, threaded flanges, vuam flanges, necked slip-ntawm flanges, necked socket vuam flanges, vuam nplhaib necked xoob flanges, phaj slip- ntawm flanges, vuam nplhaib phaj plooj {flanges, 3} plating Lub nplhaib phaj xoob flanges, thiab flange npog.