... Orders Accepted 3.Multichioce For Finishing 4.Experienced Staff aluminum extrusionSpecial OfferExcelsior Hardware&Plastic Co., Ltd. is a ... in the design,and fabricate extrusion heat sink, Aluminum Extrusion,Sheet Metal Enclosure, and Metal Parts incorporating a variety ... carbon steel, stainless steel, brass, copper, alloy steel, aluminum, cold rolled steel with various plating3)Surface treatment: kinds ...