1, 3-Dichloro-5, 5-Dimethylhydantoin (DCDMH) for Biocide, Find Details and Price about CAS 118-52-5 Dcdmh from 1, 3-Dichloro-5, 5-Dimethylhydantoin (DCDMH) for Biocide - Jiangsu Dete Chemical Trade Co., Ltd.