| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 957.65 | USD | 20251013 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 957.1 | USD | 20251011 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1055.62 | USD | 20251011 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 970.44 | USD | 20251009 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 970.44 | USD | 20251009 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 970.44 | USD | 20251009 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 970.44 | USD | 20251009 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1097.02 | USD | 20251009 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1097.02 | USD | 20251009 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 970.44 | USD | 20251009 |