Our subcontractor - Metal surface engineering factory has completed upgrades

Surface treatment is one important step during the production of steel gratings, it determines the service life of the steel gratings.

So we pay much attention to our subcontractor who is responsible for the hot dip galvanizing of our products.

Our HDG supplier old factory building was founded in 2002, covers an area of 30000 square meters, the annual processing capacity more than 60000 tons of hot dip galvanizing.

Recently years, in response to the government's environmental protection policy, our partner has completed the factory upgrades.

It has been a modern, fully automatic,new plant now, and more important, the hot dip galvanizing quality as well as the capacity, speed, et. are upgraded in all respects.

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