| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1020.44 | USD | 20251010 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 964.14 | USD | 20251010 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 928.95 | USD | 20251010 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1294.9 | USD | 20251010 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1154.15 | USD | 20251010 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1195.47 | USD | 20251009 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1300.95 | USD | 20251009 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1125.14 | USD | 20251009 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 984.5 | USD | 20251009 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 963.4 | USD | 20251009 |