Premium Quality KS Standard SN275/SN355 Seismic Resistant Structural Steel Plate for High-Rise Buildings

Product Description

Steel Header
🔹 Products Description
Product NameSeismic Resistant Structural Steel
MaterialSM275/SM420/SM355/SM460
Thicknessas Required
Widthas Required
Lengthas Required
ToleranceWithin 1%
Standard6mm~300mm
TechniqueHot Rolled
Productivity30 Million+ Tons per year
Delivery30~45 days
🏆 Why Choose Us
🏢 About Us
Established in 2018, we are an integrated steel manufacturer and international trading company providing reliable steel solutions to global customers. Our manufacturing base is an affiliated modern steel mill founded in 1972, with strong capability in high-end medium and heavy steel plates and specialty steel products. The mill operates a fully integrated production system covering pelletizing, sintering, ironmaking, steelmaking, rolling, and auxiliary facilities, ensuring stable quality and efficient supply. Annual capacity reaches 6 million tons of medium and heavy plates and 2 million tons of specialty steel products. Equipped with advanced facilities and strict quality control, we supply steel for shipbuilding, offshore engineering, construction, machinery manufacturing, and major infrastructure projects. Shipbuilding steel plate supply reaches 1.8 million tons annually, ranking No. 1 nationwide, while medium and heavy plate exports have ranked No.1 in China for 11 consecutive years. By combining strong manufacturing strength with professional export service, we deliver stable quality, flexible specifications, competitive pricing, and reliable delivery, building long-term partnerships with customers worldwide.
🏭 Our Factory
📜 Certifications
📦 Packaging & Transportation
❓ Frequently Asked Questions
Are you a manufacturer or trading company?
We are an integrated manufacturer & trading company, ensuring stable quality and direct factory supply.
What steel products do you supply?
Hot-rolled plates, medium & heavy plates, shipbuilding steel, and customized grades.
Can you support customized specifications?
Yes. Thickness, size, grade, and testing can be customized based on your project needs.
How do you ensure quality?
Full-process production, strict inspection, and complete mill test certificates (MTC).
Do you accept trial orders?
Yes. Trial orders are welcome to start long-term cooperation.
What is the typical delivery time?
Generally, delivery takes between 30 to 45 days depending on the specifications and order volume.

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