The description of the item 4703210001 of China HScode: Chemical wood pulp, soda or sulphate, other than dissolving grades: Semi-bleached or bleached: Coniferous: For the production of viscose chemical fiber (not containing cellulose acetate) of bleached softwood plup of wood or kraft plup (including semibleached, dissolving except) (content of alpha cellulose pulp viscosity is greater than or equal to 3.7dl/g, and <6.4dl/g, and >=350ml/g, and (<700ml/g, R18, sulfate acid salt) >=88%, and <95.5%, ash<=0.15%)