Jiangsu Yongnuo Biotechnology Co.Ltd. is a specialized research, production and sales company in chemical industry. Our factory enjoys developed transportations and unique geographical location. Since our foundation, we have devoted to the research, development and manufacturing of Pharmaceutical intermediates, pesticide intermediates and other chemicals. Und the supports of experienced and well-trained workers and technicians graduated from universities and colleges, we have the good abilities to control the whole procedures of production and quality ...