... with different materials, such as brass, aluminium, steel, stainless steel, zinc.Our strong R&D and QC department ... within 24 hours. Our main products as below:Materialsstainless steel, copper, steel, aluminum, zinc, Surface FinishAnodized, powder coating, painting, ... concentricity tester etc.OtherCustomized and tailored orders are welcome High quality and delivery in time OEM and ODM are accepted ...