| Vendor | Spec | Unit | Price | Currency | Date |
| Yancheng SUPER Chem | China national standards | MT | 753.11 | USD | 20251209 |
| Shandong Hongyang Chem | China national standards | MT | 932.68 | USD | 20251208 |
| Shandong Hongyang Chem | China national standards | MT | 946.81 | USD | 20251208 |
| Shandong Hongyang Chem | China national standards | MT | 925.61 | USD | 20251208 |
| Shandong Zhiheng | China national standards | MT | 932.68 | USD | 20251208 |
| Shandong Zhiheng | China national standards | MT | 932.68 | USD | 20251208 |
| Shandong Zhiheng | China national standards | MT | 890.28 | USD | 20251208 |
| Shandong Huize Chem | China national standards | MT | 819.63 | USD | 20251208 |
| Aite Zhejiang | China national standards | MT | 918.55 | USD | 20251208 |
| Aite Zhejiang | China national standards | MT | 989.2 | USD | 20251208 |