Iron easily reacts with oxygen and water to produce brown or black hydrated iron ions, commonly known as rust. Unlike other metals, which will produce passivation layer oxide
The yellow alloy of "copper", see "brass". Copper (English: copper) is a chemical element, the chemical symbol Cu (from Latin: cuprum), atomic number
For a kind of steel chromium alloy that is not easy to rust, please see "Stainless Steel". Galvanized iron sheet, the pattern can be seen. Galvanized iron (G.I.)
Great Dragon Metal Electroplating CO., LTD. specializes in providing chrome-plated and nickel-plated services with hardware parts, automobile and motorcycle parts, sanitary equipment, door lock accessories, electronic computer peripherals and other products.

SUS304 polishing not electroplated

SUS304 polishing already chromium-plated

iron polishing not electroplated

iron polishing already chromium-plated

iron not electroplated

iron already Nickel plated

Matt copper not electroplated

Matt copper already chromium-plated







