| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.35 | USD | 20251010 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 857.92 | USD | 20251009 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 815.73 | USD | 20251009 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 893.08 | USD | 20251009 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20251008 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20251008 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20251004 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20251004 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |