Home[copy] - Volsun

Your Specialist In

Insulation & Sealing and

Protection Solution!

Our Products Can Provide The Best Solutions

Our hot-selling product series include cold shrink tubes, fiberglass sleeves, overhead line covers, etc. The advantage of our products lies in high-quality materials and exquisite workmanship, ensuring that the products are durable and reliable. We also provide customized services to meet the different needs of our customers.

Our expertise lies in providing effective sealing and waterproof solutions for renowned enterprises in the communication, automobile, power, and other industries. We continuously strive for innovation to deliver improved and reliable connectivity solutions, as it is our unwavering commitment.

Insulation, Sealing & Protection Products Series

SHOP NOW

Who We Are

The Pioneer Manufacturer Of Cold Shrink Tube——Volsun Group

VOLSUN Electronic Technology Co., Ltd. is located in Suzhou and specializes in providing comprehensive solutions for insulation, waterproof sealing, heat conduction and high-temperature insulation. Since 2006, we have upheld the concept of "technological innovation leading business development."

Experienced

Staff

Cooperative clients

Insulation, Sealing & Protection Solutions

Committed To Excellent Customer Service

Customized Services

Provide professional customization service in logo, packing, style, etc.

Technical Support

Professional technical team helps solve various products issues.

Free Samples

Offering free samples for our customers to test our products' quality.

Warranty Service

There is strict quality inspection process, quality control standards and certification qualifications in Volsun.

Supports For Enhancing Business Efficiency

Technical Documentation and Manuals

The product provides detailed technical documentation and user manuals,
including product specifications, installation guides, operating instructions, etc.
These documents can help customers understand the functionality and use of the product.

CATALOG

Remote Support

Provide real-time technical support through remote connection tools.
Diagnose and resolve problems faster and reduce delays caused by waiting for a technician to come to your door.

Training and Training Materials

Provide customers with training courses and training materials on product use and maintenance.
Including online training, video tutorials, presentations etc.,to help customers better understand and apply products.

SUPPORTS

News From Cold Shrink Tube Specialist

Volsun Recognized as High-Quality Development Enterprise (2024–2025)

2026-04-11

Decoding the Manufacturing Standards of High-Quality Silicone Fiberglass Sleeves

2026-04-09

At a distance, most industrial insulation sleeves look remarkably similar. However, the difference between a component that lasts for the entire lifecycle of a machine and one that fails in six months lies in the minute details of the manufacturing process. For the Volsun NS-GF200RUB-D series, quali

2026-04-09

How Shaft Grounding Rings Protect Your Electric Motor Bearings

2025-12-03

A shaft grounding ring gives a safe path for shaft voltage. This helps protect your motor bearings from failing too soon. Motors with VFDs often get extra electrical current. This extra current can hurt the bearings. Over 40% of motor problems happen because bearings fail from these currents.