Profile: Beijing Comens YanShan Tech. Co., Ltd. is engaged in producing active pharmaceutical ingredients and intermediates & cosmetic additives. Our API products include rosiglitazone hydrochloride, rosiglitazone tartarate, rosiglitazone sodium, glimepiride, darbufelone, gefitinib, itopride hydrochloride and irsogladine maleate. Our pharmaceutical intermediates include 4-chlorobenzeneethanol, (s)-2-benzylsuccinic acid, 4-methoxybenzyl alcohol, 5-cyanoindole, 5-bromoindole, pioglitazone and rosiglitazone intermediates. Our products are prescribed in chronic therapy areas like diabetology, respiratory, rheumatology, psychiatry, neurology and gastroenterology, anticancer & weight control. We also export bulk drugs, drug intermediates and specialty chemicals. We specialize in the development of new processes that can be designed to ensure the non-infringement of patients, through the application of alternative synthetic procedures.