| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 435.99 | USD | 20251009 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 435.99 | USD | 20251009 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1040.76 | USD | 20251009 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 435.99 | USD | 20251009 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 435.99 | USD | 20251009 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.28 | USD | 20251008 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1041.45 | USD | 20251008 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1041.45 | USD | 20251004 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.28 | USD | 20251004 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.28 | USD | 20251004 |