| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| 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 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1648.96 | USD | 20251022 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1648.96 | USD | 20251022 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1648.96 | USD | 20251022 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1648.96 | USD | 20251022 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1648.96 | USD | 20251022 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1649.51 | USD | 20251021 |