| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1096.95 | USD | 20250922 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 998.51 | USD | 20250922 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1279.78 | USD | 20250922 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 843.55 | USD | 20250921 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1068.5 | USD | 20250921 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1279.38 | USD | 20250921 |
| Zibo HUI BAO Chemical Co., Ltd. | China national standards | MT | 1616.8 | USD | 20250920 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1251.27 | USD | 20250920 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250920 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 970.08 | USD | 20250920 |