| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1158.63 | USD | 20251209 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 840.72 | USD | 20251209 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 946.69 | USD | 20251209 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 805.39 | USD | 20251209 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 974.95 | USD | 20251209 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 890.17 | USD | 20251209 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1172.76 | USD | 20251209 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 805.39 | USD | 20251209 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1109.18 | USD | 20251209 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 805.39 | USD | 20251209 |