| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 825.43 | USD | 20251119 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 825.43 | USD | 20251119 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 825.62 | USD | 20251118 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 825.62 | USD | 20251118 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 825.62 | USD | 20251118 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 825.62 | USD | 20251118 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 826.08 | USD | 20251117 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 826.08 | USD | 20251117 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 826.08 | USD | 20251117 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 826.08 | USD | 20251117 |