| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.28 | USD | 20251122 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.28 | USD | 20251122 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.28 | USD | 20251122 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1044.09 | USD | 20251122 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.28 | USD | 20251122 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.28 | USD | 20251121 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.28 | USD | 20251121 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1044.09 | USD | 20251121 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.28 | USD | 20251121 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.28 | USD | 20251121 |