Zhongjie Fiber - Professional Fiberglass Composite Manufacturer
Cable Trays & Poles
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Cable Trays & Poles

High-performance composite trays and utility poles using Woven Roving and Biaxial fabrics for insulation and extreme weather resistance.

Cable Trays & Poles
Core Material
Woven Roving Fiberglass (E/ECR)ECR/E-glass woven roving fiberglass — high-performance bidirectional fabric woven from direct roving. Available in E-Glass and ECR (boron-free) grades. Compatible with polyester, vinyl ester, and epoxy resin systems. Optimized for chemical tanks, desulfurization towers, marine vessels and pipe structures.

Technical Protocol

Tech Specs & Details

Electrical Insulation Specs

Product CodeGSM (g/㎡)DielectricProcess
EWR300-I30020kV+Pultrusion
EWR600-I60020kV+Pultrusion
Internal Structure
structural_scan_v4.0
Alignment Confirmed

Internal Structure

Micro-alignment QC

Precise Knitting

Multi-layer fiber orientation controlled by Karl Mayer machines for optimal structural strength.

Rapid Wet-out

Optimized fiberglass sizing ensures extremely fast resin penetration, boosting production throughput.

Bespoke R&D

Tailor-made material structures based on specific mechanical requirements for optimal weight-strength ratios.

Partner with Material Experts

Our engineering team is ready to assist with custom fabric structures, providing full lifecycle support from design to process optimization.

Download TDS Folder
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