| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1632.7 | USD | 20251011 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1942.35 | USD | 20251010 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1632.7 | USD | 20251010 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1940.87 | USD | 20251009 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1631.46 | USD | 20251009 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1632.54 | USD | 20251008 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1942.16 | USD | 20251008 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1942.16 | USD | 20251007 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1632.54 | USD | 20251007 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1942.16 | USD | 20250930 |