| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Zhongsheng Chemical Co., Ltd. | China national standards | MT | 1337.12 | USD | 20251010 |
| Zibo Zhongsheng Chemical Co., Ltd. | China national standards | MT | 1407.5 | USD | 20251010 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1266.75 | USD | 20251010 |
| Zibo Zhongsheng Chemical Co., Ltd. | China national standards | MT | 971.17 | USD | 20251010 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1266.75 | USD | 20251010 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 886.72 | USD | 20251010 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1097.85 | USD | 20251010 |
| Nanjing Daze Trading Co., Ltd. | China national standards | MT | 1126.0 | USD | 20251010 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1125.14 | USD | 20251009 |
| China national standards | MT | 998.57 | USD | 20251009 |