| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | 90% | MT | 449.74 | USD | 20250926 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 404.77 | USD | 20250926 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 400.55 | USD | 20250926 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 632.45 | USD | 20250926 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 632.45 | USD | 20250926 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 449.74 | USD | 20250926 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 365.41 | USD | 20250926 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 365.41 | USD | 20250926 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 449.74 | USD | 20250926 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 456.77 | USD | 20250926 |