| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 703.75 | USD | 20251011 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 788.2 | USD | 20251011 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 851.54 | USD | 20251010 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 703.75 | USD | 20251010 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 830.42 | USD | 20251010 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 774.12 | USD | 20251010 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 788.2 | USD | 20251010 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 844.5 | USD | 20251010 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 774.12 | USD | 20251010 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 760.05 | USD | 20251010 |