| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1152.46 | USD | 20250928 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1054.08 | USD | 20250928 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1236.79 | USD | 20250928 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1011.92 | USD | 20250928 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1096.24 | USD | 20250928 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1096.24 | USD | 20250928 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1096.24 | USD | 20250928 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 983.81 | USD | 20250928 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 983.81 | USD | 20250928 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1047.05 | USD | 20250928 |