| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 986.89 | USD | 20251021 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 775.41 | USD | 20251021 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 761.31 | USD | 20251021 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 704.92 | USD | 20251021 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 761.31 | USD | 20251021 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 747.22 | USD | 20251021 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 789.51 | USD | 20251021 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 789.51 | USD | 20251021 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 803.61 | USD | 20251021 |