| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1539.68 | USD | 20251202 |
| Dongying Hebang Chemical Co., Ltd. | China national standards | MT | 1356.05 | USD | 20251202 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1130.04 | USD | 20251202 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1567.93 | USD | 20251202 |
| Jiangsu Yangnong Chemical Co., Ltd. | China national standards | MT | 854.59 | USD | 20251202 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1271.29 | USD | 20251202 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1567.93 | USD | 20251202 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.05 | USD | 20251202 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1511.43 | USD | 20251202 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.24 | USD | 20251202 |