| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 805.67 | USD | 20251205 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1102.49 | USD | 20251205 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1130.76 | USD | 20251205 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1243.83 | USD | 20251205 |
| Sinopec/sabic Tianjin Petrochemical Company Limited | China national standards | MT | 848.07 | USD | 20251205 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1159.03 | USD | 20251205 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 876.34 | USD | 20251205 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 848.07 | USD | 20251205 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 918.74 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 805.67 | USD | 20251205 |