Sidley Chemical Co., Ltd. is based in China and lists a range of cellulose derivatives on Global Trade Plaza. These include Hydroxypropyl methyl cellulose (HPMC), Sodium CarboxyMethylCellulose (CMC), Hydroxyethy Cellulose, Sodium Carboxymethylcellulose, Sodium Carboxymethyl Cellulose, Hydroxyethyl Cellulose (hec), Hydroxypropyl Methylcellulose, Polyanionic Cellulose (pac), Ethyl Cellulose, Cellulose Gum, and Calcium Formate 98% Feed Grade.