| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 773.49 | USD | 20250922 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 886.0 | USD | 20250922 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 942.26 | USD | 20250922 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 956.32 | USD | 20250922 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 900.06 | USD | 20250922 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 900.06 | USD | 20250922 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 914.13 | USD | 20250922 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 1125.08 | USD | 20250922 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 1125.08 | USD | 20250922 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 1125.08 | USD | 20250922 |