Hot Dip Galvanized Hollow Section - jnsteelpipe.com
Hot dipped galvanized Hollow section is the main structural material in construction like bridge building, electricity tower, advertisement pole, underground water transfer, roof structure. It will be manufactured by ERW & HFW. The fabrication process by hot dipped zinc coating thickness is 220g/m2-800g/m2, The main advantage is the zinc ...
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