Urea Formaldehyde Resin, Melamine Powder, Bakelite Powder manufacturer / supplier in China, offering S2 Textile Wax Ring for Blended Yarn 62-64º C 13-14dmm, High-Hardness Textile Wax Ring for High-Speed Spinning S1 Type MP 62-64º C Aics, Def Additive for Urea Solution and so on.