2-氯-5-硝基吡啶

Shanghai Yongzeng TECHNOLOGY Co.， LTD has been specializing in market orientation, scientific developing and collaboration with research institutions, thus having been updating and improving technology and quality of products. SYZC has become a high-tech company incorporating production, researching and trading and has successfully benefited from professional market sale teams for researching and product technology, thereby being welcomed in Europe and East America, Japan and other global areas in terms of raw products such as antivirus, anticancer, anti- AIDS and artery. Besides it