Blackboard Ppgi Steel Coil for School  

Colored pre-coated steel plate PCM turns traditional spray painting into a continuous coating of steel plates Coating facilitates surface treatment and coating quality control, and there is no easy coating production Defects such as raw edges and dead corners are eliminated; and chromium-free treatment liquid is used for roller coating chemical It is dried directly after treatment, without the pollution and damage to the environment caused by traditional dip-coating chemical treatment. bad and meet environmental protection requirements.