Best qualityLURUN operates a policy of continuous product improvement and new product development and design.We have passed ISO9001 SGS CEcertificate and owns a China Famous Brand---YueFeng manhole cover. Our composite manhole covers is a new process of making manhole covers. It was made from pure resin and poly fiber with steelframe inside. This innovative material can provide a high quality standard of using. It has advantage such as: high impactresistance, abrasion resistance, high temperature resistance, Corrosion resistance, anti-theft, anti-aging.