Shandong Xingrui Building Materials Co., Ltd. specializes in manufacturing Multi-layer Multi-directional Crab Scaffolding designed for ultra-high-rise and heavy-load construction projects. Engineered from Q235 premium steel, our system features an upgraded crab-style frame that enables multi-layer assembly up to 24m vertical height with multi-span horizontal arrangement. The technique guarantees uniform stress distribution and regular assembly, which makes it suitable for huge commercial complexes and ultra high-rise enterprises. Our manufacturing site is ISO 9001 certified and covers 40,000 m2, with over 1,000 specifications of accessories, guaranteeing continuous quality and dependable performance in demanding applications.
This innovative modular support system has exclusive rosette node technology. The disc shaped connection points enable ledgers and braces to join at numerous angles, often in 45 degree increments across a complete 360 degree range.
Unlike conventional tube-and-clamp scaffolding, which requires skilled workers and a lot of time to assemble, our product has a self-locking wedge system. This design avoids the chance of bolt loosening and drastically reduces installation complexity.
The system solves the pain points in the industry: slow assembly speed, high labour cost and safety issues in non-standardized shoring. Its multidirectional connectedness across vertical layers provides optimal structural stiffness for complicated architectural geometries.
Our system meets international engineering standards with precise manufacturing tolerances:
| Parameter | Specification |
|---|---|
| Material Grade | Q235 Premium Steel |
| Maximum Vertical Height | 24m (Multi-layer Continuous) |
| Horizontal Layout | Multi-span Continuous Arrangement |
| Assembly Pattern | 60 Crab Type System |
| Load Capacity | Ultra-high Heavy Load Support |
| Reinforcement | Vertical Diagonal + Horizontal Bars |
| Surface Treatment | Hot-Dip Galvanization (HDG) |
| Quality Certification | ISO 9001, ISO 14001, CE |
| Reusability | Built to Specification Standards |
The vertical standards utilize 48.3mm diameter tubes with 3.25mm wall thickness. Node spacing maintains 500mm intervals with ±1mm dimensional accuracy to prevent cumulative errors in multi-layer structures.
Superior Load Distribution
The crab-style frame design distributes stress evenly across connection points. Vertical diagonal bars combined with horizontal reinforcement bars create a stable triangular bracing pattern that resists lateral forces and prevents structural deformation.
Multi-Directional Flexibility
You can configure the system in any direction needed for your project. The rosette nodes accept connections at multiple angles, allowing adaptation to irregular building profiles, curved surfaces, and complex architectural features.
Extended Service Life
Hot-dip galvanization provides corrosion resistance exceeding 15 years in standard conditions. Our coating thickness reaches 60-80μm, protecting the steel substrate even in harsh industrial and maritime environments.
Rapid Assembly Efficiency
The hammer-locked wedge system reduces installation time by 40-60% compared to traditional scaffolding. Your crews can erect structures faster with fewer specialized skills required, lowering overall labor costs.

Bridge and Viaduct Engineering
The Multi-layer Multi-directional Crab Scaffolding excels in heavy-duty shoring for irregular concrete pours. Its multi-directional bracing provides lateral stability for curved bridge piers where conventional systems cannot achieve adequate structural rigidity.
Industrial Plant Maintenance
In refineries and power stations, modularity allows navigation through complex piping networks and confined spaces. You can configure the system around existing infrastructure where traditional scaffolding cannot be effectively braced.
Large Commercial Complexes
For ultra-high-rise buildings and expansive retail centers, the 24m vertical capacity with multi-span horizontal layout supports extensive formwork systems. The balanced load distribution handles heavy concrete pours safely.
Marine and Offshore Construction
Superior corrosion resistance makes it the preferred choice for shipbuilding and offshore platform maintenance. High-wind load performance ensures stability under extreme weather conditions where multi-layered access is essential.

Our 79,800-square-meter facility implements comprehensive inspection protocols:
Material Verification
Every steel batch undergoes spectral analysis to confirm Q235 grade compliance. We track raw materials through our complete traceability system, ensuring consistent mechanical properties across production runs.
Weld Integrity Testing
Ultrasonic Testing (UT) verifies that rosette nodes are perfectly fused to vertical standards. This prevents shear failure at connection points, which is critical for multi-layer load transfer.
Corrosion Resistance Validation
Salt spray testing confirms HDG coating performance meets maritime application standards. We verify coating thickness at multiple points to ensure uniform protection across all surfaces.
Load Capacity Verification
Destructive testing confirms the wedge-lock mechanism exceeds the 2.5:1 safety factor. We document maximum load performance before structural failure to validate design specifications.
Our 180 professional technicians monitor production across 12 welding robots and 6 automatic welding lines. This automation ensures consistent weld quality and dimensional accuracy that manual processes cannot achieve.

Q: How does assembly speed compare to traditional scaffolding?
A:The hammer-locked wedge system reduces assembly and disassembly time by 40-60%. You eliminate the need for threaded connections and achieve faster mobilization on your project sites.
Q: Can it integrate with existing scaffolding inventory?
A:While rosettes appear similar across brands, compatibility depends on wedge thickness and rosette diameter specifications. We recommend using components from a single manufacturer to maintain certified load ratings and structural integrity.
Q: What training do installers require?
A:The mechanism is intuitive, but your crews should receive training on load-chart requirements and bracing patterns for multi-layered heights. We provide technical documentation and installation guidelines with every order.
Q: How long does the system last with proper maintenance?
A:With appropriate care and HDG treatment, you can expect service life exceeding 15 years. Regular inspection of connection points and protective coatings ensures optimal performance throughout this period.
Q: Which safety standards does it meet?
A:Our product complies with OSHA 1926.451, EN 12811-1, and AS/NZS 1576 requirements. Testing documentation is available for regulatory compliance verification on your projects.
Our large-scale order production ensures timely delivery of Multi-layer Multi-directional Crab Scaffolding for your construction schedules. Contact us at sdxingruiqp@126.com to discuss your project requirements. We provide samples with technical backup and custom solutions based on your specifications.
Learn about our latest products and discounts through SMS or email