| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 875.4 | USD | 20251115 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 875.4 | USD | 20251114 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 875.4 | USD | 20251114 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 875.4 | USD | 20251114 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 875.4 | USD | 20251114 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 875.4 | USD | 20251114 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 874.9 | USD | 20251113 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 874.9 | USD | 20251113 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 874.9 | USD | 20251113 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 874.9 | USD | 20251113 |