| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 1067.0 | USD | 20251201 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 890.35 | USD | 20251201 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 1067.0 | USD | 20251201 |
| Zhejiang Petroleum&Chemical Co., Ltd. | China national standards | MT | 890.35 | USD | 20251201 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 890.35 | USD | 20251201 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 876.21 | USD | 20251201 |
| Sinopec/sabic Tianjin Petrochemical Company Limited | China national standards | MT | 890.35 | USD | 20251201 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 918.61 | USD | 20251201 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 961.01 | USD | 20251201 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 890.35 | USD | 20251201 |