| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 748.24 | USD | 20251112 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 747.89 | USD | 20251111 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 748.0 | USD | 20251110 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 747.52 | USD | 20251105 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 747.88 | USD | 20251103 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 747.74 | USD | 20251101 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 748.0 | USD | 20251028 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 747.24 | USD | 20251024 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 747.34 | USD | 20251023 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 747.22 | USD | 20251021 |