| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 866.59 | USD | 20251016 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 789.09 | USD | 20251016 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 718.63 | USD | 20251016 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 767.95 | USD | 20251016 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 760.91 | USD | 20251016 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 725.68 | USD | 20251016 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 789.09 | USD | 20251016 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 760.91 | USD | 20251016 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 725.68 | USD | 20251016 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 775.0 | USD | 20251016 |