| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 970.67 | USD | 20250918 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1280.16 | USD | 20250918 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1097.28 | USD | 20250918 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 970.67 | USD | 20250918 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 970.67 | USD | 20250918 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 970.67 | USD | 20250918 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 970.67 | USD | 20250918 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 956.6 | USD | 20250918 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 956.6 | USD | 20250918 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |