Company Description
Yantai Zhengfeng Chemical ***** is specialized in researching and manufacturing pharmaceutical intermediates and Led intermediates, the main products include 4-Bromobutyric acidï¼?5-Bromovaleric acidï¼?4-Bromoaniline and 1, 3-Acetonedicarboxylic acid, etc. And our products have been sold many countries and regions. Welcome to inquire.