product
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Adopting the new national standard design method, excellent performance
Material; Type A Material: Q235B, Type B Material: Spring Steel
Corrosion: Galvanized
Certification: National Building Quality Supervision and Inspection Center Test Report
Material; Type A Material: Q235B, Type B Material: Spring Steel
Corrosion: Galvanized
Certification: National Building Quality Supervision and Inspection Center Test Report