| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 690.45 | USD | 20251016 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 704.54 | USD | 20251016 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 845.13 | USD | 20251015 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 852.17 | USD | 20251015 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 866.26 | USD | 20251015 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 831.04 | USD | 20251015 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 704.27 | USD | 20251015 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 788.79 | USD | 20251015 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 774.7 | USD | 20251015 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 704.27 | USD | 20251015 |