| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1512.73 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1512.73 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1512.73 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1512.28 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1512.28 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1512.28 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1512.28 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1512.28 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1511.43 | USD | 20251202 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1539.68 | USD | 20251202 |