Main products: active grate sheet, passive grate sheet, movable core grate, chain grate, sprocket, boiler negative sheet, reciprocating grate for boiler, side active grate sheet, boiler hand hole, boiler manhole, boiler head hole, small scale grate, movable core grate, four jaw grate, grate shaft (grate pin), etc. The material is gray cast iron, malleable steel, cast steel.