| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1649.56 | USD | 20251025 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1649.56 | USD | 20251025 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1649.56 | USD | 20251025 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1649.56 | USD | 20251024 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1649.56 | USD | 20251024 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1649.56 | USD | 20251024 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1649.56 | USD | 20251024 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1649.56 | USD | 20251024 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1649.79 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1649.79 | USD | 20251023 |