With a variety of material selections and it`s combinations, the steel door and window system have a different texture. ?Galvanized steel profile system have a variety of colors paintings to choose。 ?The surface of the stainless steel profile system can be processed into embossing, mirror，wire drawing processing, copper plating,24K gold plating, antique copper, black and gold vacuum plating that can meet the demand of high-end crowd.。 ?The combination of galvanized steel, stainless steel and aluminum alloy can meet the architects' requirements by achieving the decoration line. ?The steel profile is more slender than aluminum profile due to the high strength of steel, and can be used in a large span curtain wall and in the system with large glass panel. Because of the diversified choice of personalized profile, architects can achieve a more beautiful, more transparent architectural appearance than other product.。