| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chem | China national standards | MT | 768.65 | USD | 20251209 |
| Yankuang Guotai Chem | China national standards | MT | 768.65 | USD | 20251209 |
| Shandong Hongyang Chem | China national standards | MT | 706.57 | USD | 20251208 |
| Shandong Zhiheng | China national standards | MT | 720.71 | USD | 20251208 |
| Shandong Huize Chem | China national standards | MT | 692.44 | USD | 20251208 |
| JIN Yimeng | China national standards | MT | 847.89 | USD | 20251208 |
| Yankuang Guotai Chem | China national standards | MT | 833.76 | USD | 20251208 |
| Aite Zhejiang | China national standards | MT | 706.57 | USD | 20251208 |
| Shandong Junfeng | China national standards | MT | 791.36 | USD | 20251208 |
| Shandong Junfeng | China national standards | MT | 777.23 | USD | 20251208 |