... Material:nylonBearing Material:carbon steel Size: 5*22.5*7mm colour: yellow application :They are suitable for bathroom,hang roller, ... from:2RS ZZ ,Z ,RS,OPEN (metal or nylon)5.colour: natural color, grren, orange, blue, grey, milky white, porcelain ... market base.1 The superior geographical position2 good production supply chain, and rich technical force3Large-scale production, to ensure that ...