| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250925 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250925 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1055.49 | USD | 20250925 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 999.2 | USD | 20250925 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 942.9 | USD | 20250925 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 999.2 | USD | 20250925 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1111.78 | USD | 20250925 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1111.78 | USD | 20250925 |
| Zhejiang Petroleum&Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250925 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1111.78 | USD | 20250925 |