| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 732.92 | USD | 20251018 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 810.44 | USD | 20251018 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 747.02 | USD | 20251018 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 732.92 | USD | 20251018 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 704.73 | USD | 20251018 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 747.02 | USD | 20251018 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 831.58 | USD | 20251018 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 732.92 | USD | 20251018 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 845.68 | USD | 20251018 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 732.92 | USD | 20251018 |