Hot dip galvanized wire products are widely used in various fields such as construction、 handicrafts、 woven wire mesh、 highway guardrails、 product packaging、 and daily civilian use. Galvanized wire can be divided into hot dip galvanized wire and cold dip galvanized wire (galvanized wire). The difference is that hot dip galvanized wire is immersed in a heated molten zinc solution、 with fast production speed and uneven coating thickness. The minimum thickness allowed by the market is 45 microns、 and the maximum can be over 300 microns. The color is darker、 consumes more zinc metal、 forms an infiltration layer with the base metal、 and has good corrosion resistance. Hot dip galvanizing can be maintained for decades in outdoor environments. Cold galvanizing (electro galvanizing) is the process of gradually coating zinc onto the metal surface through unidirectional current in an electroplating bath. The production speed is slow、 the coating is uniform、 the thickness is thin、 usually only 3-15 microns、 the appearance is bright、 the corrosion resistance is poor、 and it usually rusts after a few months p>
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1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
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1. Telephone communication and confirmation of requirements
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