The company develops and manufactures “Jinhong brand polymer new molded manhole covers and grates” using polyester resin, modified polystyrene, organic and inorganic fibers, modified PS, and other high-strength materials, which are then processed at high temperatures and pressures.

Welcome to our company. We specialize in the production and sale of polymer series manhole covers, rainwater grates, stainless steel series manhole covers, ductile iron manhole covers, curbstones, tactile paving bricks, power U-shaped channels, reinforced concrete pipes, and various types of reinforced concrete precast products. We are committed to meeting your needs. Contact us immediately!