... 1.Material:stainless steel/aluminum/brass 2.Size:custom and OEM design bolts;T-bolt;special bolts We are proffesional ... stamping, casting, forging, machining parts with differentmaterials, such as brass, aluminium, steel, stainless steel, zinc. Our strong R&D ... stamping, casting, forging, machining parts with differentmaterials, such as brass, aluminium, steel, stainless steel, zinc. Our strong R&D ...