Jinan Chenghui-Shuangda Chemical Co., Ltd. (CHSD), is a high-tech company developing and producing APIs & chemical intermediates, with nearly 20 proprietary technologies and patented technologies. Founded in 1994, CHSD has more than 300 employees. Since its inception, CHSD, guided by the trend of global pharmaceutical and chemical industry, has been meeting market demands at home and abroad with humanistic operation and advanced technical force.