| Vendor | Spec | Unit | Price | Currency | Date |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 762.94 | USD | 20251127 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 762.21 | USD | 20251124 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 761.9 | USD | 20251122 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 761.9 | USD | 20251121 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 762.11 | USD | 20251118 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 762.44 | USD | 20251116 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 790.56 | USD | 20251109 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 790.56 | USD | 20251108 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 790.56 | USD | 20251107 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 847.03 | USD | 20251107 |