| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 952.26 | USD | 20250806 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 980.27 | USD | 20250806 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1190.33 | USD | 20250806 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 966.26 | USD | 20250806 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.27 | USD | 20250806 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.27 | USD | 20250806 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.27 | USD | 20250806 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 966.85 | USD | 20250805 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.86 | USD | 20250805 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.86 | USD | 20250805 |