| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1411.13 | USD | 20251113 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1411.13 | USD | 20251113 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1411.77 | USD | 20251112 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1411.77 | USD | 20251112 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1411.11 | USD | 20251111 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1411.11 | USD | 20251111 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1411.31 | USD | 20251110 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1411.31 | USD | 20251110 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1410.42 | USD | 20251105 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1410.42 | USD | 20251105 |