ZENGHUA Bio-scientific Corporation is a professional enterprise engaged in researching, developing, synthesizing, and manufacturing pharmaceutical intermediates and fine chemicals. We also provide custom synthesis service. 　 The company is located at Xiaoshan High-tech Park in Hangzhou, China. The R&D Center owns four labs with one of 80 m2 .The labs are equipped with experimental apparatus for all developing scales. In addition, well-equipp...