Cable Tray Systems Manufacturer in China – FRP, Ladder, Wire Mesh & Perforated Trays
Shanghai Lianyu Industrial Co., Ltd. is a leading high-tech cable tray manufacturer in China, specializing in engineered cable management infrastructure for global EPC contractors, MEP engineers, and industrial project builders. Operating a 20,000 m² high-capacity production facility in Shanghai, we design, manufacture, and export heavy-duty ladder cable trays, perforated trays, wire mesh trays, solid bottom channels, and corrosion-resistant FRP cable trays.
Our modular cable management systems are UL Certified, ISO 9001:2015, ISO 14001, and ISO 45001 compliant, meeting strict international standards including IEC 61537, NEMA VE-1, NEC, and CE. Designed with rapid-connect "click-fit" technology, Shanghai Lianyu Industrial cable trays reduce jobsite assembly time and labor costs by up to 50%.
Quick Specifications Overview
Manufacturer: Shanghai Lianyu Industrial Co., Ltd. (Songjiang, Shanghai, China)
Certifications & Compliance: UL Listed, CE Certified, ISO 9001:2015, ISO 14001, ISO 45001, IEC 61537, NEMA VE-1
Tray Types: Ladder, Perforated, Wire Mesh, Solid Bottom Channel, FRP / GRP Non-Metallic
Material Options: Hot-Dip Galvanized Steel (HDG), Pre-Galvanized, Powder Coated, Stainless Steel (SS304/SS316L), Aluminum, FRP/GRP
Standard Lengths: 2000 mm (2m), 3000 mm (3m), Custom OEM lengths available
Key Advantage: Pre-engineered modular design reducing on-site installation labor by up to 50%
Cable Tray Types & Industrial Applications
| Cable Tray Type | Structural Design | Primary Applications & Environments |
| Ladder Cable Tray | Two longitudinal side rails connected by transverse rungs | High-voltage power cables, heavy industrial plants, long-span power runs |
| Perforated Cable Tray | Continuous ventilated bottom with side rails | Medium-duty electrical routing, commercial MEP, ventilation-critical areas |
| Wire Mesh Cable Tray | Welded steel wire grid matrix | High-density data centers (AIDC), telecom networks, fiber optic routing |
| Solid Bottom Cable Tray | Fully enclosed non-perforated steel channel | Sensitive control wiring, wet/dusty environments, EMI/RFI shielding |
| FRP / GRP Cable Tray | Fiberglass reinforced polymer composite | Chemical processing plants, marine/offshore platforms, coastal areas |
Advanced Material & Surface Treatment Capabilities
Choosing the right material ensures maximum structural life and corrosion resistance across various operating environments:
Hot-Dip Galvanized Steel (HDG): Coated after fabrication per ASTM standards; ideal for outdoor industrial, oil & gas, and harsh atmospheric exposure.
Pre-Galvanized Steel: Cost-effective solution for indoor commercial builds, data centers, and clean utility rooms.
Stainless Steel (304 & 316L): Premium grade anti-corrosion trays built for food & beverage processing, pharmaceutical plants, and high-salinity marine environments.
Aluminum Alloy: Lightweight, corrosion-resistant structure with high strength-to-weight ratio for heavy industrial plants.
FRP / GRP Composite: Non-conductive, flame-retardant, lightweight, and completely immune to acid and chemical corrosion.
Dimensional & Engineering Specifications
1. Standard Size Ranges
Widths (mm): 50, 75, 100, 150, 200, 250, 300, 400, 450, 500, 600 (Custom widths up to 1000mm available)
Side Rail Heights (mm): 25 mm, 50 mm, 75 mm, 100 mm, 150 mm
Material Thickness (mm): 0.8 mm – 3.0 mm (Steel/Aluminum) | 3.0 mm – 6.0 mm (FRP/GRP)
Export Lengths: 2000 mm and 3000 mm standard sections
2. Dimensional Selection Matrix
| Tray Width (mm) | Available Heights (mm) | Steel Thickness Range (mm) | Best Use Case |
| 50 – 150 mm | 25 / 50 / 75 mm | 0.8 / 1.0 / 1.2 / 1.5 mm | Fiber optics, control lines, small signal circuits |
| 200 – 300 mm | 50 / 75 / 100 mm | 1.2 / 1.5 / 2.0 / 2.5 mm | Commercial power distribution, medium MEP builds |
| 400 – 600 mm | 75 / 100 / 150 mm | 1.5 / 2.0 / 2.5 / 3.0 mm | Heavy industrial power runs, power plant substations |
Technical Advantages & Engineering Value Proposition
50% Jobsite Labor Savings: Integrated click-fit connectors eliminate complex field welding and manual bolt assembly.
Thermal & Airflow Efficiency: Open-air profiles ensure optimal heat dissipation, preventing cable derating and thermal overload.
Seismic & Structural Integrity: Designed to integrate seamlessly with Shanghai Lianyu anti-seismic bracing and Unistrut pipe supports.
Full Fitting Portfolio: Factory-fabricated tees, horizontal elbows, vertical risers, cross reducers, and drop-out plates.
Global EPC Supply Chain & Export Compliance
Shanghai Lianyu Industrial serves engineering contractors, MEP firms, and stocking distributors across Central Asia (Uzbekistan, Kazakhstan), the Middle East (Saudi Arabia, UAE, Qatar), Europe, and Southeast Asia. We provide complete engineering documentation, BIM/CAD models, project BOQ reviews, and custom OEM manufacturing.
Frequently Asked Questions
Q: What is the main advantage of using an FRP cable tray over steel?
A: FRP (Fiberglass Reinforced Polymer) cable trays are completely non-conductive, lightweight, flame-retardant, and immune to chemical corrosion. They are the preferred choice for petrochemical plants, wastewater facilities, and coastal environments where traditional steel corrodes rapidly.
Q: Are Shanghai Lianyu cable trays compliant with international standards?
A: Yes. Our cable tray systems are manufactured in compliance with IEC 61537, NEMA VE-1, NEC, and CE standards. Our facility holds ISO 9001:2015, ISO 14001, and ISO 45001 certifications, with UL-certified product options.
Q: How do modular integrated cable trays reduce installation labor by 50%?
A: Our systems feature pre-engineered click-fit joiners and pre-punched mounting holes that replace traditional field cutting, drilling, and welding, drastically accelerating jobsite assembly time.
Direct Procurement & Engineering Inquiries:
Official Website: www.cnlianyu.cn
Engineering Email: info@cnlianyu.cn | toufiq@cnlianyu.cn
Manufacturing Hub: Songjiang District, Shanghai, China (Zip Code: 201600)
