| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250925 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 956.98 | USD | 20250925 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 928.83 | USD | 20250925 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 999.2 | USD | 20250925 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1055.49 | USD | 20250925 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1111.78 | USD | 20250925 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1097.71 | USD | 20250925 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 985.12 | USD | 20250925 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1097.71 | USD | 20250925 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 992.16 | USD | 20250925 |