| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 768.49 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 729.01 | USD | 20251023 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 729.01 | USD | 20251023 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 747.34 | USD | 20251023 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 747.34 | USD | 20251023 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 747.34 | USD | 20251023 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 634.54 | USD | 20251023 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 810.8 | USD | 20251023 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 810.8 | USD | 20251023 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 712.09 | USD | 20251023 |