| Vendor | Spec | Unit | Price | Currency | Date |
| Zouping Tianlu Chemical Co., Ltd. | China national standards | MT | 138.64 | USD | 20251211 |
| Zouping Tianlu Chemical Co., Ltd. | China national standards | MT | 127.17 | USD | 20251209 |
| Zouping Tianlu Chemical Co., Ltd. | China national standards | MT | 127.18 | USD | 20251208 |
| Zouping Tianlu Chemical Co., Ltd. | China national standards | MT | 127.24 | USD | 20251204 |
| Zouping Tianlu Chemical Co., Ltd. | China national standards | MT | 127.2 | USD | 20251203 |
| Zouping Tianlu Chemical Co., Ltd. | China national standards | MT | 127.13 | USD | 20251202 |
| Zouping Tianlu Chemical Co., Ltd. | China national standards | MT | 127.13 | USD | 20251126 |
| Zouping Tianlu Chemical Co., Ltd. | China national standards | MT | 127.03 | USD | 20251124 |
| Zouping Tianlu Chemical Co., Ltd. | China national standards | MT | 126.98 | USD | 20251121 |
| Zouping Tianlu Chemical Co., Ltd. | China national standards | MT | 121.29 | USD | 20251120 |