Tengzhou Aolong Chemical Co., Ltd. 
Address: Economic Development Zone,Tengzhou City, Shandong, China.
Postal code:277500  
Telephone: 0086-632-5577516
Fax: 0086-632-5826038
Email: almky@163.com 
Email: david@aolongchem.com  
Email: sales@aolongchem.com
URL: www.aolongchem.com