1,precise metal stamping parts with zinc plating 2,customized sureface treatment 3,High QC standard ... plating, yellow passivation, gold passivation, galvanizing, satin, etc.Processing Methodcnc machining, turning, milling, drilling, grinding, broaching, welding and assemblyAdvantages 1. ... in spite of the immense distance between Europe and China. precise metal stamping parts with zinc plating