| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1058.11 | USD | 20251027 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 958.72 | USD | 20251024 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1057.41 | USD | 20251024 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1099.86 | USD | 20251023 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 972.95 | USD | 20251023 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1011.03 | USD | 20251023 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1099.86 | USD | 20251023 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 972.95 | USD | 20251023 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1085.76 | USD | 20251023 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1099.86 | USD | 20251023 |