| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 825.72 | USD | 20251124 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 839.84 | USD | 20251124 |