| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1212.46 | USD | 20251021 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1187.09 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1212.46 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1212.46 | USD | 20251021 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1240.66 | USD | 20251021 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1381.64 | USD | 20251021 |
| Befar Group Co., Ltd. | China national standards | MT | 1339.35 | USD | 20251021 |
| Wudi Xinyue Chemical Group Co., Ltd. | China national standards | MT | 1043.28 | USD | 20251021 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 1226.56 | USD | 20251021 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1339.35 | USD | 20251021 |