On Nov. 20, 2012, Yangzhou Tianchen Fine Chemical Co., Ltd. attended the commending conference of national petroleum and chemical S&T aw |
2013-08-19 |
On Nov. 20, 2012, Yangzhou Tianchen Fine Chemical Co., Ltd. attended the commending conference of national petroleum and chemical S&T awards of 2012, the research of new-type, efficient. |