Discover Qingdao Huashida Machinery Co., Ltd.'s advanced Three-Layer PE Spraying Equipment Steel Pipe Anti-Corrosion Production Line. This state-of-the-art system enhances pipe durability, mechanical strength, and electrical insulation, making it ideal for oil, gas, and water pipelines. Learn how our technology extends pipe lifespan from 5-10 years to 50-100 years.