Zhongshan Dehe Technology Co., Ltd. Has established itself as a professional and innovative supplier specializing in PVC battery heat shrinkable tubes. With years of dedicated focus on the R&D, production, and sales of thermal shrinkage materials, we have grown into a trusted partner for battery manufacturers worldwide, delivering high-performance solutions that enhance product safety, durability, and reliability.

Our Core Product: PVC Battery Heat Shrinkable Tubes

Our flagship product, the PVC battery heat shrinkable tube, is engineered to meet the rigorous demands of modern battery applications-from consumer electronics (such as smartphones, laptops, and power banks) to industrial energy storage systems, electric vehicles (EVs), and medical devices. Crafted from high-purity PVC resin and advanced additives, this product boasts a unique combination of superior properties:

Exceptional Insulation Performance: It provides excellent electrical insulation to prevent short circuits, with a dielectric strength of up to 20kV/mm, effectively safeguarding battery cells and connections from electrical hazards.

Secure Sealing & Protection: Upon heating, the tube shrinks uniformly and tightly adheres to the battery surface, forming a seamless barrier against moisture, dust, chemicals, and mechanical impact. This ensures long-term stability of battery modules even in harsh operating environments.

High Temperature Resistance: Designed to withstand operating temperatures ranging from -40º C to 125º C, it maintains structural integrity in extreme temperature fluctuations, making it suitable for both indoor and outdoor applications.

Compliance with Global Standards: All our PVC battery heat shrinkable tubes pass strict quality tests and comply with international certifications such as RoHS, REACH, and UL, ensuring they meet the environmental and safety regulations of markets across Europe, America, Asia, and beyond.

Our Strengths: Quality, Innovation & Service

At Dehe Technology, we adhere to the principle of "Quality First, Customer-Centric" and have built a comprehensive quality management system covering raw material procurement, production process control, and finished product inspection. Our production base is equipped with state-of-the-art extrusion lines, precision cutting machines, and professional testing equipment (including thermal shrinkage testers, insulation resistance testers, and aging test chambers), enabling us to achieve a product qualification rate of over 99.5%.

Innovation is the driving force of our development. Our R&D team, composed of senior engineers with more than 10 years of experience in the heat shrinkable material industry, continuously invests in new formula development and product optimization. We closely track the latest trends in the battery industry (such as the development of high-energy-density batteries and fast-charging technologies) to provide customized solutions that address the evolving needs of our customers.

We are committed to delivering seamless and efficient services to our global clients. Our professional sales team provides one-on-one consulting services, helping customers select the most suitable products; Our logistics partners ensure timely delivery with flexible shipping options (by sea, air, or express); And our after-sales team responds to customer inquiries and technical support within 24 hours.

Our Vision & Commitment

As the global battery industry continues to grow rapidly, Dehe Technology aims to strengthen its position as a leading supplier of PVC battery heat shrinkable tubes by adhering to technological innovation and quality improvement. We are dedicated to contributing to the development of safer, more efficient, and more reliable battery products, and look forward to establishing long-term and mutually beneficial cooperative relationships with customers around the world.