| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Zhongsheng Chemical Co., Ltd. | China national standards | MT | 946.41 | USD | 20251202 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 904.03 | USD | 20251202 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 932.28 | USD | 20251202 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 932.28 | USD | 20251202 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 932.28 | USD | 20251202 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 932.28 | USD | 20251202 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 904.03 | USD | 20251202 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 932.28 | USD | 20251202 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 875.78 | USD | 20251202 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 932.28 | USD | 20251202 |