| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 690.45 | USD | 20251016 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 760.91 | USD | 20251016 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 690.45 | USD | 20251016 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 775.0 | USD | 20251016 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 690.45 | USD | 20251016 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 704.54 | USD | 20251016 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 789.09 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 852.5 | USD | 20251016 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 746.82 | USD | 20251016 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 732.72 | USD | 20251016 |