Discover the High-Seal Electrofusion (EF) Tape for Pre-Insulated Pipe Field Joints HDPE, a high-performance solution for robust, leak-proof, and corrosion-resistant pipeline joints. With over 20 years of expertise, Huashida's patented PE Electrofusion Welding Sleeve ensures superior sealing, mechanical strength, and long-term durability. Ideal for district heating, oil & gas pipelines, and more.