| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 789.51 | USD | 20251021 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 704.92 | USD | 20251021 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 775.41 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 867.05 | USD | 20251021 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 761.31 | USD | 20251021 |
| Anhui Ruibai New Material Co., Ltd. | China national standards | MT | 711.97 | USD | 20251021 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 789.51 | USD | 20251021 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 803.61 | USD | 20251021 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 747.22 | USD | 20251021 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 775.41 | USD | 20251021 |