| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 999.2 | USD | 20250925 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 999.2 | USD | 20250925 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 999.2 | USD | 20250925 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 956.98 | USD | 20250925 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250925 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250925 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 844.39 | USD | 20250925 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1069.56 | USD | 20250925 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 928.83 | USD | 20250925 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 928.83 | USD | 20250925 |