... for auto and motor accessories with high air tightness Product No./NameJJ-00068 / Aluminum precision die casting part for auto and ... machining: CNC lathes, milling, drilling, grinding etc5) Surface treatment: Trimming, polishing, cleaning, passivation & power coating6) ... Description1) Material: Aluminum(ADC-12)2) Surface Treatment: high quality polish, passivating, powder coating3) Dimension ...