| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.39 | USD | 20251028 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.24 | USD | 20251027 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1044.0 | USD | 20251027 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.24 | USD | 20251027 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 422.96 | USD | 20251026 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1043.31 | USD | 20251026 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 422.96 | USD | 20251026 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 422.96 | USD | 20251024 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 437.06 | USD | 20251024 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 437.06 | USD | 20251024 |