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Chongqing Wenchen Steel Structure Co., Ltd. specializes in high-precision steel structure fabrication, combining advanced manufacturing technology with strict quality control to deliver durable, cost-effective solutions for buildings, bridges, and industrial facilities worldwide.
Key Features of Our Fabrication Process
1. Advanced Manufacturing Technology
CNC Cutting & Drilling – Laser/plasma cutting ensures ±1mm dimensional accuracy
Robotic Welding – Automated welding systems (SAW, GMAW) for consistent, defect-free joints
3D Modeling & BIM Integration – Pre-fabrication clash detection and optimization
2. Material Excellence
High-Grade Steel – Q355B, Q235B (China GB), ASTM A36/A572 (International)
Anti-Corrosion Treatment – Shot blasting + epoxy primer/paint (up to 25-year protection)
Fireproofing Options – Intumescent coatings (1-3 hour fire ratings)
3. Quality Control System
✔ ISO 9001 Certified Production
✔ Third-Party Inspection (SGS/BV) for:Weld UT/MT testing (AWS D1.1/GB 50661)
Bolt hole alignment checks (±2mm tolerance)
Coating thickness verification
✔ Full Traceability – Material test reports for every batch
. Fabrication Capabilities
| Category | Specifications |
|---|---|
| Beam/Column Sizes | H-sections up to 1200mm flange width |
| Plate Thickness | 6mm-120mm |
| Maximum Single Piece | 25 tons |
| Monthly Capacity | 8,000-12,000 tons |
We offer commitment at all levels of building project, from construction to management services.
Quality & Reliable
Licensed & Insured
Skilled Architect
Available 24 Hours
No matter the challenge, we build on what we know works and elevate your vision of success
- Building the future powered by innovation
- Backed by highly skilled workforce
-
We use only the highest quality
materials - Focus on engineering excellence
- Exposure and expertise in diversified verticals
- Wide range of interiors designs collection
- 24/7 support for regular customers
- Free consultation and delivery of materials
Frequently asked questions
What services do you offer?
Design, Fabrication, and Installation of Light & Heavy Steel Structure Industrial Plants, Steel Box Girders, Truss Bridges, and Special-Shaped Bridges, Multi-Story & High-Rise Steel Buildings, Space Frames, and Membrane Structures
What is your approach to sustainability?
At Wenchen Steel Structure Engineering Co., Ltd., sustainability is at the core of our engineering philosophy. We are committed to building a greener future through:
✅ Eco-Friendly Materials: Using high-strength, recyclable steel to reduce material waste and support a circular economy.
✅ Efficient Design: Optimizing structural design to minimize resource consumption while maximizing performance.
✅ Green Construction Practices: Implementing low-emission construction techniques, dust control, and energy-saving equipment.
✅ Smart Integration: Supporting clients in achieving green building certifications (such as LEED) by integrating solar panels, rainwater collection systems, and energy-efficient ventilation.
✅ Lifecycle Responsibility: Designing buildings with disassembly and reuse in mind to reduce demolition waste.
What makes you different from other design firms?
Unlike many firms that only focus on one phase, Wenchen provides a complete solution — from structural design and material fabrication to on-site installation and post-project support. One team, one system, no communication gaps.
From Chongqing to clients around the world, we’re known for fast response times, professional communication, and a problem-solving attitude. Whether it’s a factory in Southeast Asia or a logistics hub in the Middle East, we deliver with international standards
How can I request a consultation?
We’re here to turn your vision into reality — professionally, efficiently, and structurally sound. Here’s how to get started with a free consultation:
Send us your project details via:
Email:support@cqsses.com
Phone: +86 189 9647 2857
Website Inquiry Form: www.cqsses.com/contact
WeChat/WhatsApp: +86 189 9647 2857
