| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 528.71 | USD | 20251026 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 528.71 | USD | 20251025 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 528.71 | USD | 20251025 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 528.71 | USD | 20251024 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 528.71 | USD | 20251024 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 528.78 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 528.78 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 528.78 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 528.78 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 528.78 | USD | 20251023 |