Product strength + process iteration = strict quality control.
Mass production: hard rolled │ cold rolled │ spangle │ zero spangle
Export ready – compliant with multiple country standards.
#SteelExport#ReadyToShip
✨Clean Spangle. Strong Protection.
👍Spangled GI Coil with excellent corrosion resistance
⚙️Easy forming & stable quality
👉0.4–3.0mm | 900–1300mm
👉Perfect for roofing, ducts and cable trays
⚡ Ready stock & fast delivery
Powering ASEAN with reliable steel solutions.
Harder. Stronger. More Reliable. ⚙️
See how Rontae’s hardened steel coil is made — from rolling line to finished coil.
👉Stable thickness
👉Strong surface quality
👉Built for industrial use
Steel you can count on.
#SteelCoil#Manufacturing#IndustrialSteel
Harder. Stronger. More Reliable. ⚙️
See how Rontae’s hardened steel coil is made — from rolling line to finished coil.
👉Stable thickness
👉Strong surface quality
👉Built for industrial use
Steel you can count on.
#SteelCoil#Manufacturing#IndustrialSteel
✨Clean Spangle. Strong Protection.
👍Spangled GI Coil with excellent corrosion resistance
⚙️Easy forming & stable quality
👉0.4–3.0mm | 900–1300mm
👉Perfect for roofing, ducts and cable trays
⚡ Ready stock & fast delivery
Powering ASEAN with reliable steel solutions.
Rontae Metal’s 3 core products:
• Hard-rolled – hard, strong, stable, great value
• Cold-rolled – smooth surface, easy stamping – for appliances & precision parts
• Galvanized (spangle) – corrosion resistant – for construction & outdoor projects
DM for quote 🌏🌏
Cold rolled coils in stock ✅
Deep drawing grade 0.35–2.0mm
For fridges, AC, cars, electrical cabinets, etc.
Full sizes · Custom packaging
DM “CR” for price sheet
Happy Mother’s Day
Behind every strong family is an incredible mother.
This Mother’s Day, Rongding Group sends our warmest wishes to all mothers across the world.
Thank you for your endless love, patience, and strength — the foundation of every generation.