1. High quality steel strip with high quality;
2. Light steel keel forming equipment;
3. The thickness deviation of the light steel keel steel strip;
4. Double-sided galvanizing of light steel keel;
5. Appearance quality;
6, fine management of keel manufacturers.
Appearance quality The shape of the light steel keel should be flat and the edges and corners should be clear. The incisions are not allowed to have burrs and deformations that affect the use. The galvanized layer is not allowed to have defects such as peeling, tumor, and falling off. When the appearance quality is checked, visual inspection shall be carried out under the condition that the light is bright at 0.5 m from the product.
The surface of light steel keel shall be galvanized and rust-proof, and the amount of galvanized on both sides shall be not less than 120g/m*m.
Contact Person: Mr. Arno Hao
Tel: +8618717894416
