| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 999.2 | USD | 20250924 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1168.08 | USD | 20250924 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1055.49 | USD | 20250924 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1154.0 | USD | 20250923 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 971.05 | USD | 20250923 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 928.83 | USD | 20250923 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 886.61 | USD | 20250923 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1055.49 | USD | 20250923 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 971.05 | USD | 20250923 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250923 |