Our pipes undergo a Chromic Acid passivation treatment for the surface of galvanized steel pipe. As a rule, hydrogen treatment and passivation treatment are the two major methods for the final effective painting treatment of galvanized pipe, in order to further improve the corrosion resistance of the zinc layer or maintain the original property of the coating. Furthermore, it also helps to prolong the durable years of the pipes.
date_rangeNov 21' 2019 / India
date_rangeApr 03' 2019 / China
date_rangeMar 11' 2019 / China
date_rangeOct 16' 2018 / China
