| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 923.2 | USD | 20251017 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 922.95 | USD | 20251016 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 922.95 | USD | 20251016 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 922.95 | USD | 20251016 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 922.95 | USD | 20251016 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 922.95 | USD | 20251016 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 922.6 | USD | 20251015 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 922.6 | USD | 20251015 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 922.26 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 922.26 | USD | 20251014 |