... also provide non-standard, hardware fittings, hose fitting,and other hydraulic coupler. hydraulic couplerOur company mainly produce hydraulic coupler,tetroxide & quadroxide ... to designed production .We can also provide non-standard connector, hardware fittings, hose fittings and joints,to ... satisfied the high quality products of GB,ISO ,DIN standards. : Hose joints and hose withholding ...