| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 711.54 | USD | 20251020 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 711.54 | USD | 20251020 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 845.39 | USD | 20251020 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 810.17 | USD | 20251020 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 789.03 | USD | 20251020 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 760.85 | USD | 20251020 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 789.03 | USD | 20251020 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 760.85 | USD | 20251020 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 718.83 | USD | 20251019 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 747.02 | USD | 20251019 |