... use to reinforce flat surface right angle corner joints Window Corner Brace advantage:Can be achieved in the ... T, 70% balance payment before delivery manufacturer metal stamping corner Materialcarbon steel, stainless steel, steel tube, steel rod, ... , brass, zinc alloy and etc.Processstamping, bending, welding, casting, punching, machingSurfacepowder coating, zinc plated, nickel-chrome plated, painting ...