Introducing our top-level best-selling HDPE pipe coupling fittings, measuring 20x20mm! As a factory specializing in manufacturing these high-quality products, we ensure durability, reliability, and efficient performance. Our pipe coupling fittings are designed to connect HDPE pipes seamlessly, offering a secure and leak-free joint. With a compact size of 20x20mm, these fittings are perfect for various applications requiring a small diameter. Trust in our factory's expertise and choose these reliable HDPE pipe coupling fittings for your next project!