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Rig-I: Heavy-Duty Anti-Corrosion Spiral Staircase for Offshore & Energy
○ Material: Reinforced 316 Stainless Steel or C5-M Coated Steel
○ Durability: Resistant to crude oil, saltwater, and harsh chemicals
○ Load Rating: High-occupancy industrial load (5.0kN/m²)
○ Environment: Oil rigs, refineries, chemical plants