| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1056.23 | USD | 20251013 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1105.52 | USD | 20251013 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1112.57 | USD | 20251013 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 992.86 | USD | 20251013 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 943.57 | USD | 20251013 |
| Changzhou Jiaye Chemical Co., Ltd. | China national standards | MT | 1661.81 | USD | 20251013 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1013.98 | USD | 20251013 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 957.65 | USD | 20251013 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 887.24 | USD | 20251013 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 922.44 | USD | 20251013 |