| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1131.01 | USD | 20251204 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1176.25 | USD | 20251204 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1357.22 | USD | 20251204 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1201.7 | USD | 20251204 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1555.14 | USD | 20251204 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1569.28 | USD | 20251204 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1176.25 | USD | 20251204 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1176.25 | USD | 20251204 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1152.22 | USD | 20251204 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1357.22 | USD | 20251204 |