| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 848.01 | USD | 20251203 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 883.34 | USD | 20251203 |
| Sinopec/sabic Tianjin Petrochemical Company Limited | China national standards | MT | 848.01 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 840.94 | USD | 20251203 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 975.21 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 840.94 | USD | 20251203 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 908.78 | USD | 20251203 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1243.75 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 840.94 | USD | 20251203 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 862.14 | USD | 20251203 |