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Wuxi Shangjue Technology Co., Ltd. is a modern manufacturing enterprise specializing in the production, processing, sales, and service of insulation materials and plastic sheets. The company is located in Houqiao Industrial Park, Xinwu District, Wuxi City, Jiangsu Province, China. We are supported by a young and highly skilled team of engineers with strong R&D capabilities, as well as a professional sales team.

What We Offer

Explore our full range of insulation materials, engineering plastics, and CNC machining services.
Here you’ll find product details, technical specifications, processing capabilities, and application solutions designed to support your projects from material selection to finished parts.

Strong, Stable, Insulating

Strong, Lightweight, and Electrically Insulating

Fiberglass Board

Carving Out Excellence

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Explore our complete range of insulation materials and engineering plastics, including epoxy boards, fiberglass boards, bakelite boards, and custom CNC-machined parts. Click to view full specifications, applications, and processing options on our product pages.

Our Capabilities

We provide comprehensive solutions for insulation materials and engineering plastics, including custom CNC machining, technical support, and quality-controlled production. Our services are designed to meet diverse industrial applications, helping you get reliable, high-performance components efficiently.

Comprehensive Material & Machining Solutions

Start Your Custom Project Today

Send us your drawings or requirements, and our experienced engineering team will provide fast evaluation, competitive pricing, and reliable production solutions for insulation materials and CNC-machined components.

Call us today at +86 159 5040 9403

Latest Articles

The 4 Definitive Electrical Insulation Sheet Material List for Engineers

The 4 Definitive Electrical Insulation Sheet Material List for Engineers

Authored by the engineering team at SjcncinSulation. We are a modern manufacturing enterprise specializing in the production, processing, sales, and service of insulation materials and plastic sheets. Located in Houqiao Industrial Park, Xinwu District, Wuxi City, Jiangsu Province, China, our operations are supported by a young and highly skilled team

Comprehensive Expert Guide to the Fiberglass Sheets 4x8 price in 2026

Comprehensive Expert Guide to the Fiberglass Sheets 4×8 price in 2026

The industrial landscape of 2026 requires unprecedented reliability from electrical insulation and structural support materials. From advanced renewable energy grid expansions to highly intricate aerospace components, the utilization of epoxy glass laminates has skyrocketed. For procurement managers, engineers, and facility directors, understanding the nuances of the market is absolutely critical.

Top 7 FR4 Sheet Manufacturers USA: An Expert Sourcing Guide

Top 7 FR4 Sheet Manufacturers USA: An Expert Sourcing Guide

Flame Retardant 4 (FR4) is the ubiquitous backbone of the modern electronics and electrical insulation industries. Composed of a woven continuous fiberglass cloth combined with a flame-retardant epoxy resin binder, FR4 delivers exceptional mechanical strength and dielectric properties in both dry and highly humid environments. Sourcing from top-tier fr4 sheet

Get in Touch with Us

Contact us for insulation materials, engineering plastics, or drawing-based custom machining services.
Our team is ready to provide technical advice and fast quotations to support your project.