| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.26 | USD | 20251010 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1210.45 | USD | 20251010 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1210.45 | USD | 20251010 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1126.0 | USD | 20251010 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1266.75 | USD | 20251010 |
| Befar Group Co., Ltd. | China national standards | MT | 886.72 | USD | 20251010 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1196.37 | USD | 20251010 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1027.47 | USD | 20251010 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1238.6 | USD | 20251010 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1090.81 | USD | 20251010 |