| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongshuo Chem | China national standards | MT | 819.75 | USD | 20251210 |
| Shandong Hongshuo Chem | China national standards | MT | 819.63 | USD | 20251208 |
| Shandong Hongshuo Chem | China national standards | MT | 819.8 | USD | 20251205 |
| Shandong Hongshuo Chem | China national standards | MT | 819.99 | USD | 20251204 |
| Shandong Hongshuo Chem | China national standards | MT | 819.68 | USD | 20251201 |
| Shandong Hongshuo Chem | China national standards | MT | 819.34 | USD | 20251128 |
| Shandong Hongshuo Chem | China national standards | MT | 818.46 | USD | 20251106 |
| Shandong Hongshuo Chem | China national standards | MT | 817.49 | USD | 20251018 |
| Shandong Hongshuo Chem | China national standards | MT | 815.16 | USD | 20250926 |
| Shandong Hongshuo Chem | China national standards | MT | 816.25 | USD | 20250925 |