plastic & aluminum window hardware, door hardware- curtain wall, aluminum alloy products, aluminum window hardware, architecture materials, construction materials, arm-stopper, bearing rollers, auto locking handles, building fittings, architecture accessory/ accessories, building/ architecture hardware, butterfly/ door hinge, curtain wall fittings, fittings for doors, window fittings, friction hinges, furniture hardware, operating handles, hardware fittings for doors, hardware for windows, curtain wall hardware manufacture, heavy duty hinge, House Ware, locking handle, key handle, Metal products, mild steel bars, stainless steel hardware, rollers, builder hardware manufacturer.