| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1254.79 | USD | 20251024 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1001.02 | USD | 20251024 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1268.89 | USD | 20251024 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 916.42 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1099.71 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1078.56 | USD | 20251024 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 831.95 | USD | 20251023 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1128.06 | USD | 20251023 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 916.55 | USD | 20251023 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 916.55 | USD | 20251023 |