Q. Are you a factory or a trade company? A:We're a factory with over 20 years experience in the heat sink field.It is a enterprise that professionally design and produce Heat sinks, electronic components, auto parts and other stamping products. Q. How to get a quotation? A: Please send us info such as drawing,material surface finish,quantity. Q. What about the lead time? A: Average for 12 working days, open mould for 7 days and mass production for 10 days Q. Do the products of all the colors are the same with same surface treatment? A: No. about powder coating, the bright-color will higher than white or gray. About the Anodizing, colorful will higher than silver, and black higher than colorful.a)Stamping: 16Ton-500Ton b)Welding: Carbon dioxide welding, spot welding, tig welding, automated robotic welding. c)Machining: CNC lathe and machine centers, light machines(drilling, milling and tapping). d)Surface treatment: Galvanizing, Anodized, Zinc/nickel/chrome/tin plating, Powder coating, Painting, etc 