We are a factory that specializes in providing high-quality Flexible Cast Iron Drainage Pipes, House Drainage System Tubes, and Gray Cast Iron Pipes. Our products are designed with durability and reliability in mind, and are made using the latest manufacturing techniques and materials. Our Flexible Cast Iron Drainage Pipes are perfect for use in a variety of applications, including plumbing and drainage systems. We offer a wide range of sizes and configurations to meet the needs of any project. Our House Drainage System Tubes are ideal for residential and commercial use, and are engineered to provide exceptional performance in even the most demanding applications. And our Gray Cast Iron Pipes are perfect for use in construction, industry, and many other applications. So if you're looking for high-quality cast iron pipes and tubes, look no further than our factory!