| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 408.74 | USD | 20251018 |
| China national standards | MT | 295.99 | USD | 20251017 | |
| China national standards | MT | 422.84 | USD | 20251017 | |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 329.81 | USD | 20251017 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 394.65 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 387.6 | USD | 20251017 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 366.46 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.37 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.46 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 394.65 | USD | 20251017 |