DF18A series (suits and reverse loading) 2T-12T
DF12G series (engineering plastics) inner core 2T-
DF30 series 2T-10T
DF25 series 2T-12T hose type waterproof type
DF25 Series 2T-12T Square
DF25 Series 2T-12T Flange
DF20 series 2T-15T circular bending type
DF20 series 2T-15T waterproof type
DF20 Series 2T-15T bend type
DF20 series docking