Steel Structure 4S Store
Shenyang Zishenlong Light Steel Color Plate Co., Ltd. is one of the most reliable manufacturers and suppliers of steel structure 4s store in China, also supports customized service. Welcome to buy CE and ISO approved steel structure 4s store at low price from our factory.

The Multi-Functional Envelope: Harmonizing Showroom Elegance with Workshop Strength
An automotive 4S dealership (Sales, Service, Spare parts, Survey) is a highly complex commercial ecosystem. It demands two radically different architectural languages to exist under a single, unified roof: the sleek, ultra-transparent, high-prestige aesthetic of a vehicle showroom, and the heavy-duty, high-vibration, high-clearance utility of a maintenance workshop.
Our customized steel structure 4s store envelopes are engineered specifically to resolve this dual-identity challenge. By utilizing variable-section H-beams and localized structural reinforcements, we provide an integrated building envelope that transitions seamlessly from premium retail display to robust industrial service workshop, maximizing space efficiency while significantly reducing your overall development budget.
Zonal Engineering & Structural Optimization
Our pre-engineered structural steel systems are divided into three optimized zones:
- The Showroom Wing (Sales & Survey)
Designed with expansive clear spans (up to 35 meters column-free) and double-height clearances. We integrate heavy steel spandrel beams and precision-angled column connections specifically to carry massive, floor-to-ceiling glass curtain walls, allowing maximum vehicle visibility and premium brand positioning.
- The Maintenance & Repair Wing (Service)
Built with reinforced H-section portal frames designed to carry dynamic mechanical loads. Columns are pre-engineered with built-in brackets to support 5-ton to 10-ton overhead traveling cranes, and the floor layout is structurally calculated to accommodate heavy hydraulic double-post vehicle lifts and service pits.
- The Parts & Administrative Mezzanine (Spare Parts)
Features an integrated composite floor decking system (S350GD galvanized deck + steel reinforcement mesh). This high-load floor system easily supports heavy steel storage racking for parts inventory, while separating the retail zone from quiet, administrative mezzanine offices.

Comprehensive Technical Specifications
| Primary Structural Frame | Welded or Hot-Rolled H-Section Steel (Q355B / ASTM A572 Grade 50 / S355JR) |
|---|---|
| Secondary Frame (Purlins) | Galvanized cold-formed C/Z section steel (Q235B / ASTM A36) |
| Connection Hardware | Grade 10.9 high-strength structural bolts & customized chemical anchor bolts |
| Corrosion Protection Class | Multi-coat Epoxy Primer & Polyurethane Finish (DFT ≥ 100μm, ISO C4/C5 Industrial Class) OR Hot-Dip Galvanizing |
| Facade Interface | Customized steel curtain wall adapters & perimeter wind-girts |
| Service Bay Cladding | ≥75mm Polyurethane (PU / PIR) or fire-resistant Rockwool insulated sandwich panels |
| Mezzanine Decking | Profiled Galvanized Steel Decking (0.8mm-1.2mm, Z275 Zinc Coating) |
| Erection Mechanism | 100% Pre-fabricated, bolt-together assembly (no field-welding required) |
| Climate Load Resistance | Custom engineered up to wind loads of 260 km/h and snow loads of 1.5 KN/m² |
B2B Case Study: High-Performance Delivery in South America
We believe that real project success is measured by the operational performance of our buildings. Our pre-engineered systems have been field-tested in complex commercial projects worldwide.
Montevideo 4S Dealership Project
"The precision of Shenyang ZiShenLong's steel structure package allowed our local contractors to complete the entire 3,500 square meter integrated showroom and service bay in just 42 days. The pre-drilled connection plates for the glass curtain wall fit perfectly without a single millimeter of error on-site. The structural stability has greatly improved our showroom's acoustic environment."
-- Mr. Ricardo V., Project Development Director, Montevideo, Uruguay

Advanced Manufacturing, Non-Destructive Testing & Quality Assurance
Operating out of our ISO 9001:2015 certified manufacturing facility, every steel member undergoes a rigorous quality control check before container loading:
1. Automated H-Section Fabrication
We utilize computer-controlled plasma cutting, automated assembly, and submerged arc welding (SAW) to guarantee high structural consistency and penetration depth.
2. Sa2.5 Grade Steel Shot Blasting
All steel structural elements are subjected to high-speed shot blasting to remove rust and scale, achieving a pristine Sa2.5 anchor pattern which ensures maximum paint adhesion and lifetime corrosion resistance.
3. NDT (Non-Destructive Testing) Inspection(If Needed)
We perform 100% Ultrasonic Testing (UT) on primary column-to-flange weld seams and Magnetic Particle Testing (MT) on secondary joints. Certification reports are issued and packed with the shipping documents.
Frequently Asked Questions (FAQ)
- Q1: How does the steel structure transition between the glass facade showroom and the workshop?
A: Our engineers design a specialized structural transition joint. The primary showroom portal frames are highly rigid moment frames, which are connected directly to secondary industrial wind-girts and insulated sandwich panel frameworks in the workshop zone. During the Tekla 3D modeling stage, we coordinate all expansion joint details and flashings to ensure a 100% waterproof and airtight seal between the glass and metal cladding zones.
- Q2: What foundations are required for the vehicle lifts and service pits in the maintenance bay?
A: We provide complete foundation anchor bolt layouts and load-reaction calculations. While the steel frame rests on standard concrete isolated footings, the vehicle lifts and service pits require localized reinforced concrete slab-on-grade foundations. Our design department will supply your local concrete contractor with the exact anchor bolt spacing and column reaction forces to ensure flawless compatibility.
- Q3: Can the steel structure support high-capacity overhead cranes in the service workshop?
A: Yes. We regularly customize the maintenance wing of the 4S store to support traveling overhead bridge cranes (typically 3-ton to 10-ton capacity). We reinforce the primary steel columns and supply built-in crane brackets, crane runway beams, and stopper plates, saving you from having to retrofit support columns later.
- Q4: How do you guarantee the anti-corrosion lifespan of the steel structure in humid or coastal climates?
A: For high-corrosion zones (such as coastal areas), we offer two solutions: (1) Hot-dip galvanization for all primary and secondary steel, providing a sacrificial zinc barrier (≥85μm) with a 50+ year maintenance-free lifespan; or (2) A premium marine-grade multi-coat epoxy primer and polyurethane paint system (DFT ≥ 100μm), providing extreme resistance to salt spray and UV fading.
- Q5: Is on-site welding required during the construction of the 4S store?
A: No. Our pre-engineered **steel structure 4s store** packages are designed for 100% dry assembly. Every column, beam, rafter, and purlin is CNC-cut and pre-drilled in our factory. Your local erection crew will only need high-strength structural bolts and anchor bolts to erect the entire building, completely eliminating the need for expensive and risky on-site welding, and ensuring high structural safety.
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