| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1099.01 | USD | 20251020 |
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1099.01 | USD | 20251020 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 972.2 | USD | 20251020 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1127.19 | USD | 20251020 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 887.96 | USD | 20251018 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 986.62 | USD | 20251018 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 806.21 | USD | 20251018 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 806.21 | USD | 20251018 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1071.19 | USD | 20251018 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1099.38 | USD | 20251018 |