| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 733.69 | USD | 20251122 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 733.69 | USD | 20251122 |
| Derun Chemical Co., Ltd. | China national standards | MT | 1114.64 | USD | 20251122 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 733.69 | USD | 20251122 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.22 | USD | 20251121 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.22 | USD | 20251121 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.22 | USD | 20251121 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 733.69 | USD | 20251121 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.22 | USD | 20251121 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 733.69 | USD | 20251121 |