| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 789.51 | USD | 20251021 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 789.51 | USD | 20251021 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 789.51 | USD | 20251021 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 902.3 | USD | 20251021 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 902.3 | USD | 20251021 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 761.31 | USD | 20251021 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1198.36 | USD | 20251021 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1029.18 | USD | 20251021 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 831.3 | USD | 20251020 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 831.3 | USD | 20251020 |