| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 874.78 | USD | 20251121 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 874.78 | USD | 20251121 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 874.78 | USD | 20251121 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 874.78 | USD | 20251121 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 874.78 | USD | 20251121 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 874.78 | USD | 20251121 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 874.78 | USD | 20251121 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 874.78 | USD | 20251121 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 874.78 | USD | 20251121 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 874.82 | USD | 20251119 |