| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 886.0 | USD | 20250922 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 850.84 | USD | 20250922 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 815.68 | USD | 20250922 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 745.37 | USD | 20250922 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 759.43 | USD | 20250922 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 850.84 | USD | 20250922 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 773.49 | USD | 20250922 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 801.62 | USD | 20250922 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 815.68 | USD | 20250922 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 815.68 | USD | 20250922 |