Product Introduction:

Shanxi Jinxin Casting Group Co., Ltd. offers ductile iron manhole covers that rely on the group's full industrial chain capabilities and stringent quality control system. These covers are the preferred choice for infrastructure in urban roads, power and communication, residential communities, industrial parks, and more. The product range includes round and square covers in full series, compatible with load classes from A15 to D400, covering standard and customized sizes to meet the needs of sidewalks, city main roads, highways, and various other environments. Made from high-quality ductile iron, the graphite is evenly distributed in spherical form, providing tensile strength over 420MPa and elongation of ≥7%. Paired with zinc spray + epoxy resin dual anti-corrosion coating and a sealing gasket design, the corrosion resistance is 10 times that of ordinary cast iron, capable of withstanding acid and alkali, deicing salt, and extreme temperature variations, with a service life of over 50 years. The products strictly adhere to national standards such as GB/T, CJ/T, and ISO certification systems, inheriting the "Shanxi Province Famous Brand Product" quality. They offer core advantages such as anti-theft locks, vibration and noise reduction, easy installation, and recyclability, supporting custom appearance patterns. They are exported to many parts of the world, providing safe, reliable, and durable solutions for urban infrastructure construction.