| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 720.82 | USD | 20251210 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 763.22 | USD | 20251210 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 777.35 | USD | 20251210 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 848.02 | USD | 20251210 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 833.89 | USD | 20251210 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 706.68 | USD | 20251210 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 706.68 | USD | 20251210 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 791.49 | USD | 20251210 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 777.35 | USD | 20251210 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 791.49 | USD | 20251210 |