| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 748.0 | USD | 20251028 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 853.84 | USD | 20251028 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251028 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 712.71 | USD | 20251028 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 790.34 | USD | 20251028 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 790.34 | USD | 20251028 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 790.34 | USD | 20251028 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 705.66 | USD | 20251028 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 712.71 | USD | 20251028 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 776.22 | USD | 20251028 |