inan Chenghui-Shuangda Chemical Co., Ltd. (CHSD), headquartered in Jinan, is a young high-tech company developing and producing pharmaceutical & 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. By right of its professional technicians and cutting-edge production equipment, CHSD continually develops unique and advantageous categories, many of which are in domestic frontier position.