Our products: Nylon tube (PA hose & nylon pipe ); Trailer air brake coils; PU tube, PU air brake coils; Trailer electrical coil; seven core cable Palm coupling, trailer air coupling, Gladhands; Pipe fitting: Brass fittings;carbon steel tube end fittings;Straight fitting, Elbow, Tee; connector, coupling ,nut; 3 or 7 pieces fitting for nylon tube: Nut, cutting ring,brass insert /sleeve; and other auto parts