China JIS PPGI Coils Color Coated Steel Coil Prepainted Metal Roofing
01
Substrate preparation
Use galvanized sheet (GI) or galvanized sheet (GL) as the substrate, clean it and remove surface oil and impurities.
02
Chemical treatment
Phosphating or passivating the substrate to enhance the adhesion of the coating.
03
Primer application
Apply a layer of primer on the surface of the substrate to enhance the corrosion resistance and adhesion of the coating.
04
Topcoat application
Apply one or more topcoats on the primer to provide color and decorative effects.
05
Curing treatment
The coating is cured by high temperature baking to form a stable color surface.
06
Edge cutting and curling
Cut the edges and roll them into rolls for easy storage and transportation.
about usOver 20 years of experience in steel production and processing
TangShan ZhenXiang Strip Processing Co,Ltd
Main products,flat bar,serrated flat bar,I type,steel strip,wire rod,angle bar and H beam,with its products being exported to Korea,Japan,south Asia,Europe,the Americas and Australia.
We will always adhere to the principle of 'quality first,service supreme,mutual benefit',the development of create resplendence with you.
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We will always adhere to the principle of 'quality first,service supreme,mutual benefit',the development of create resplendence with you.
15+
15 professional production lines
1000
10 million start-up capital
200+
compamy employess
010203040506