Profile: Hebei Zhicheng Fine Chemical Co Ltd develop and produce methyl cellulose and hydroxypropyl methyl cellulose. Hydroxypropyl methyl cellulose (HPMC) is used for cement based render/plaster/mortar, water retention, longer open time, better workability, crack resistance, and sag resistance. ZC® redispersible polymer powder is produced by spray-drying special water-based emulsion, mostly based on vinyl acetate and ethylene. It dissolves in water easily and quickly forms emulsion.