... -button, etc.Surface Finishannealing, natural anodization, heat treatment, polishing, nickel plating, chrome plating, yellow passivation, gold passivation, ... , turning, milling, drilling, grinding, broaching, welding and assemblyAdvantages 1. Competitive price with high quality 2. Low ... in meeting our clients' specific requirements and offer creative solutions and ideas, often innovative methods have to ...