Looking for 2 x 15 ton mono rail electric chain hoist with control with lifting height 9m from Hongkong

we are company located in hong kong and we are looking for the following. 2 x 15 ton mono rail electric chain hoist with control (pls advice your specification if needed)specification: capacity15t lifting height 9m hoisting speed 6m/min 8 long travel length 50m long travel speed 20m/min country hong kong coproficiency net limited addr hong kong