... , delrin, arcylic and so on.3.Surface treatment: hardening, carburizing, high frequency, anodizing, clear anodizing,black anodizing ,chrome plating, black oxide ... so on.4.Quality assurance: in accordance with your request5.Main clients: Canon, Panasonic, Omron, Bridgestone, Olympus, Fuso Machine Works, Denso, Ricoh ... ,Australia,UK,USA,Canada and all over the world. assembly drawing machine parts