| Sales Department Contact：Mr. Martin Yao Tel：+86 13763351969 E-mail： export@greenrockchem.com |
Purchasing Center Tel：+86 18664855715 E-mail： Andy@greenrockchem.com |
| HR Center Tel：+86 18578675715 E-mail：hr@greenrockchem.com |
Address: No. 138, Jinsan Avenue, Sanjiao Town, Zhongshan City, Guangdong Province, China Zipcode: 528400 |
