| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 803.61 | USD | 20251021 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 958.69 | USD | 20251021 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 916.4 | USD | 20251021 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 704.49 | USD | 20251020 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 711.54 | USD | 20251020 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 760.85 | USD | 20251020 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 789.03 | USD | 20251020 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 774.94 | USD | 20251020 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 789.03 | USD | 20251020 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 774.94 | USD | 20251020 |