Azidotributyltin

Established in 2004,Ningbo Distant Chemicals (DST) Co.,Ltd, (Ningbo Yuanfang Biochemicals CO.,LTD),located in the trading capital of China---Ningbo. we are specialized in pharmaceutical raw materials and their related compounds. Our current business have expanded to more than fifty countries all over the world and owned our sales&service office at Peru,Brazil and Colombia. Apart from that ,we have our own plant producing pressor series and veterinary medicines. With the support of domestic phar...