... time: 7-10 days, 4) Packaging: Polybag+carton. Machined parts: Specialize in metal precision prototype machining, forging, casting, plastic ... Zhongshan city, Guangdong province, utilizing stainless steels, aluminiums, brass, copper, tungsten etc. according to customized specifications and ... /Lead time):Materials:SS440C, Aluminium 6061-T6, brass C3601/H59, tungsten etc.Tolerance:0.01mmAnnual Capacity ...