20+
Global Market Coverage
Products are exported to over 30 countries and regions, holding approximately 25% market share in overseas cast iron manhole covers, with strong reputation in Europe, South America, and Southeast Asia.
85%
High Customer Repurchase Rate
With strong quality control and high production efficiency, we are proud to be recognized as reliable supplier from most international customers.Customer repurchase rate remains above 85%, reflecting strong product and service reliability.
72h
Fast R&D and Delivery
professional and experienced design and technical team, customized product design, average delivery time within 72 hours, and 20+ customized solutions are developed yearly to match evolving market demands.
100%
Quality Compliance and Certification
ISO9001 certified production with strict raw material inspection, casting process control, and load testing to ensure all products meet or exceed industry standards.
More Than
20
Years Of Experience
As a trusted global partner in the cast iron manhole cover industry, LANWEI specializes in providing customized manhole cover solutions characterized by high strength, exceptional durability, and stringent safety standards. With over a decade of industry expertise, we have become a key supplier to municipal, transportation, construction, and other sectors worldwide, backed by advanced production technology, rigorous quality control systems, and flexible service models.

















