... quality 2)punctual delivery 3)Professional maker 4)good workmanship Auto components Material: Aluminum,Brass,Copper,Bronze,Steel,Stainless steelProcess: ... , low pressure die casting and CNC machining castingPrecision machining: CNC turning, milling, drilling, grinding, cutting, reaming and threadingFinished: Polishing, ... ISO Standard and Environment Protection OEM & ODM are welcome ! Auto components