QYD is one of the largest roll/roller manufactuer in the world, it has 200000 square meters manufacturing base, could supply one-stop service to all kinds of rolls.

QYD has supplied more than 30 silicon steel heat treatment lines all around the world, products include entrance/exit seal rolls, water cooling roller, steel plain roller, chrome plating roller,carbon sleeve roller, ceramic sleeve roller and also radiant tubes with both W type and U type.