| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 840.44 | USD | 20251126 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 840.44 | USD | 20251126 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 840.09 | USD | 20251125 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 840.09 | USD | 20251125 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 840.09 | USD | 20251125 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 840.09 | USD | 20251125 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 840.09 | USD | 20251125 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 840.09 | USD | 20251125 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 840.09 | USD | 20251125 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 840.09 | USD | 20251125 |