SunbowGD | High-Performance Insulation Materials Manufacturer

About SunbowGD

Established in 2003, Shenzhen Sunbow Insulation Materials MFG. Co., Ltd. is a leading R&D-driven manufacturer of insulation sleeves, specializing in high-reliability solutions for industrial, automotive, and electronics sectors.

With over 60 patents and dual certification as a Shenzhen and National High-Tech Enterprise, we combine innovation with rigorous quality standards. In December 2022, we successfully passed our second National High-Tech Enterprise review, affirming our ongoing commitment to technological excellence.

Our business philosophy of "Faith, Practical, and Responsive" has earned us long-term partnerships with global leaders such as Black & Decker, Emerson, Whirlpool, Conair, SEB, Philips, Schneider, and Siemens.

20+

Years of Industry Leadership

60+

Patents Held

Manufacturing Facilities

40M+

Meters Monthly Output

Our Products

Engineered for performance, safety, and reliability. All products meet UL, CSA, RoHS, and REACH standards.

Fiberglass Sleeving

UL & CSA certified, flame-retardant, temperature resistant up to 200°C. Available in 24AWG (0.55mm) to 1 inch (25.4mm).

UL E333178, CSA UZIQ2

Heat Shrinkable Tube

High shrink ratio, excellent insulation, and mechanical protection. Ideal for wire harnesses and connectors.

UL E360625, YDPU2/8

PTFE / FEP / PFA / PVDF Tube

Chemically inert, high-temperature resistant, and excellent dielectric properties. Used in aerospace and chemical industries.

UL Certified

PVC Tube

Flexible, flame-retardant, and cost-effective insulation for general wiring and low-voltage applications.

UL E360625

Silicone Rubber Tube

High flexibility, wide temperature range (-60°C to +200°C), excellent for dynamic environments.

UL E360625

Expandable Sleeve

Easy installation over connectors and splices. Provides abrasion resistance and strain relief.

UL E333178, UZIQ2

Corrugated Pipe

Mechanical protection for cables in harsh environments. Resistant to impact, UV, and chemicals.

RoHS Compliant

Polyimide Film Tube

Ultra-thin, high-temperature insulation for aerospace, medical, and microelectronics.

High-Temp Rated

Cable Accessories

Terminals, connectors, and protective components for complete wiring solutions.

Customizable

Custom Insulation Solutions

Custom Solutions

Tailored materials, colors, and dimensions to meet OEM and ODM requirements.

OEM/ODM Supported

Why Choose SunbowGD?

We combine innovation, quality, and global compliance to deliver insulation solutions you can trust.

🔬

Advanced R&D

Over 60 patents and a dedicated team focused on material innovation and performance optimization.

✅

Global Certifications

UL, CSA, RoHS, REACH, ISO9001:2015, IATF16949:2016 – trusted by global OEMs.

🏭

Dual Manufacturing Facilities

20,000 sqm across Shenzhen and Dongguan, ensuring scalability and reliability.

⚡

High-Volume Production

Over 40 million meters of sleeves produced monthly to meet global demand.

🌍

Global Supply Chain

Trusted by industry leaders in the USA, Europe, and Asia for consistent quality.

🔧

Application Expertise

Solutions for EVs, 5G, aerospace, defense, energy storage, and industrial automation.

Frequently Asked Questions

Are your products certified for international standards?

Yes. All fiberglass sleeving have UL and CSA certifications. Heat shrinkable, PTFE, silicone, and PVC tubes are UL certified. All products comply with EU RoHS and REACH regulations.

What makes SunbowGD unique in fiberglass sleeving?

We are one of the few manufacturers in mainland China with both UL and CSA certifications. We are the only one with UL certification across all colors and full size range (24AWG to 1 inch).

Can you provide custom solutions?

Yes. We support OEM and ODM projects with custom colors, dimensions, and performance specifications.

What industries do you serve?

Our products are used in new energy vehicles, 5G communications, aerospace, defense, power systems, home appliances, and industrial automation.

Do you have quality management systems in place?

Yes. We are certified to ISO9001:2015 and IATF16949:2016. ISO14001 is currently being implemented.

China Quality Suppliers fobcompany.info

Notice for Buyers: If you are a buyer, the above information is generated by AI collection and does not constitute any advice. If necessary, please visit the corresponding official website.

For Domain Owners: If you are the domain owner and do not want to be included by fobcompany.info, please contact [email protected] via your corporate email to cancel. We will cancel your inclusion within 3 business days.

如果您是域名所有者不想被fobcompany.info收录请用企业邮箱联系[email protected] 取消收录我们将在3个工作日取消您的收录

Service Request: If you are other domain and want to be included, please contact [email protected]

如果您是其他域名合作也请联系[email protected]

Precision Insulation for Demanding Industries