Tianjin Zhengyuan Fine Chemical CO.,LTD.

Address：NPERC(Tianjin),Nankai University,Tianjin ,China

Post code：300071

Tel：86-22-23503668 13920606826

Fax：86-22-23503668

Website:www.zhychem.com

Email:along@nankai.edu.cn

Person to contact： Liu guilong