Custom CNC Machined Aluminum Parts, Stainless Steel CNC Machining Manufacturer in Qingdao Product Description Mateial: Stainless steel 304,316,steel 45#,42CrMo,20#,Q235,aluminum A380,A356,ADC12 Product name: Custom cnc machined aluminum parts, stainless steel cnc machining manufacturer in Qingdao Quality control: 100% inspection on critical dimensions or follow your special requst. Process: Machining+Surface treatment We can provide a whole product line. Certificate: ISO9001:2008/Rosh/SGS/BV Standard: ASTM, DIN,JIS, EN, ISO, GB standards…