| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 706.88 | USD | 20251204 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 749.3 | USD | 20251204 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 749.3 | USD | 20251204 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 855.33 | USD | 20251204 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 855.33 | USD | 20251204 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.64 | USD | 20251204 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.64 | USD | 20251204 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 728.09 | USD | 20251204 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 728.09 | USD | 20251204 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 763.43 | USD | 20251204 |