| Vendor | Spec | Unit | Price | Currency | Date |
| Zouping Tianlu Chemical Co., Ltd. | China national standards | MT | 121.35 | USD | 20251119 |
| Zouping Tianlu Chemical Co., Ltd. | China national standards | MT | 121.37 | USD | 20251118 |
| Zouping Tianlu Chemical Co., Ltd. | China national standards | MT | 121.44 | USD | 20251117 |
| Zouping Tianlu Chemical Co., Ltd. | China national standards | MT | 132.74 | USD | 20251117 |
| Zouping Tianlu Chemical Co., Ltd. | China national standards | MT | 112.95 | USD | 20251114 |
| Zouping Tianlu Chemical Co., Ltd. | China national standards | MT | 105.88 | USD | 20251112 |
| Zouping Tianlu Chemical Co., Ltd. | China national standards | MT | 105.83 | USD | 20251111 |
| Zouping Tianlu Chemical Co., Ltd. | China national standards | MT | 105.85 | USD | 20251110 |
| Zouping Tianlu Chemical Co., Ltd. | China national standards | MT | 100.14 | USD | 20251105 |
| Zouping Tianlu Chemical Co., Ltd. | China national standards | MT | 100.16 | USD | 20251104 |