| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 703.18 | USD | 20250922 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 843.81 | USD | 20250922 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 829.75 | USD | 20250922 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 703.18 | USD | 20250922 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 773.49 | USD | 20250922 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 787.56 | USD | 20250922 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 773.49 | USD | 20250922 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 787.56 | USD | 20250922 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 850.84 | USD | 20250922 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 864.91 | USD | 20250922 |