We are a leading manufacturer of UPVC plastic pipes, designed to ASTM D1785 standards. Our 4-inch pipes feature a robust SCH 40 wall thickness, ensuring strength and reliability for various applications. Ideal for conduits and communication systems, these pipes are built to withstand demanding conditions. Equipped with bell ends for easy, secure connections, they offer exceptional performance in electrical and communication infrastructure projects. As a trusted factory in China, we deliver high-quality, durable solutions tailored to meet industry needs.