| Xov tooj: +86-572-6822969 |  |
| Email:lairunzhou@ezalchem.com | |
| Tuam txhab chaw nyob: 2. 12F Xinming chaw lag luam, Gongshu District, Hangzhou, Suav | |
| Lub Hoobkas chaw nyob: Si' ib Cheeb Tsam Chaw Tsim Khoom, Nroog Changxing, Huzhou, Suav |
| Xov tooj: +86-572-6822969 | |
| Email:lairunzhou@ezalchem.com | |
| Tuam txhab chaw nyob: 2. 12F Xinming chaw lag luam, Gongshu District, Hangzhou, Suav | |
| Lub Hoobkas chaw nyob: Si' ib Cheeb Tsam Chaw Tsim Khoom, Nroog Changxing, Huzhou, Suav |