| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.47 | USD | 20251029 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.47 | USD | 20251029 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.47 | USD | 20251029 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.39 | USD | 20251028 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.39 | USD | 20251028 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.39 | USD | 20251028 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1044.37 | USD | 20251028 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.39 | USD | 20251028 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.39 | USD | 20251028 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.39 | USD | 20251028 |