Our company majors in producing and selling various specifications elbows. The details as follows. 01.Ammonia flanges 02.Backup flanges 03.Blind flanges 04.Lapjoint flanges05.Long weldneck flanges 06.Orifice flanges07.Plate flanges08.Slipon flanges09.Socketweld flanges10.Spectacleblindflanges11.Threaded flanges12.Weldneck flanges