Looking for a reliable supplier of high-quality steel products? Look no further than Ningbo Jiulong Machinery Manufacturing Co., Ltd. We are a leading manufacturer and factory in China, specializing in the production of premium steel products, including the HDG steel pipe for making handrails and ladders. Our HDG steel pipes are known for their durability, strength, and corrosion resistance, making them the ideal choice for outdoor applications. Whether you are in need of materials for residential, commercial, or industrial projects, our products are designed to meet and exceed your expectations. With our advanced manufacturing processes and strict quality control measures, you can trust that you are getting the best products from us. Contact us today to learn more about our HDG steel pipes and how we can meet your specific needs.