Changde Zhengyang Biotechnology Co., Ltd. is a company that provides Biotechnology, Nicotiana tabacum and more. Changde Zhengyang Biotechnology Co., Ltd. is headquartered in China Hunan Sheng. Changde Zhengyang Biotechnology Co., Ltd. was founded in 2002. Changde Zhengyang Biotechnology Co., Ltd. has a total of 40 patents