| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 943.02 | USD | 20251012 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 943.02 | USD | 20251012 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 943.02 | USD | 20251011 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 943.02 | USD | 20251011 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 943.02 | USD | 20251010 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 950.06 | USD | 20251010 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 943.02 | USD | 20251010 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 943.02 | USD | 20251010 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 943.02 | USD | 20251010 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 943.02 | USD | 20251010 |