| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.79 | USD | 20251128 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.79 | USD | 20251128 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.85 | USD | 20251127 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.85 | USD | 20251127 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1045.51 | USD | 20251127 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.75 | USD | 20251126 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.75 | USD | 20251126 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.75 | USD | 20251126 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1045.26 | USD | 20251126 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.75 | USD | 20251126 |