1. Electricity galvanized. The amount of zinc up to 10g/m2. Poor corrosion resistance
2. hot dip galvanized. The highest amount of zinc can reach 300g/m2. Strong corrosion resistance
3.PVC Coated. Coated generally a thickness of 1.0mm, for example: 2.7mm finished package is 3.7mm. Strong anti-corrosion
4. Size: can be customized
