| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 735.65 | USD | 20251211 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 806.38 | USD | 20251211 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 735.65 | USD | 20251211 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1117.62 | USD | 20251211 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 877.12 | USD | 20251211 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1117.62 | USD | 20251211 |
| Derun Chemical Co., Ltd. | China national standards | MT | 933.71 | USD | 20251211 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 728.57 | USD | 20251211 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 735.65 | USD | 20251211 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 735.65 | USD | 20251211 |