| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 985.25 | USD | 20251011 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1097.85 | USD | 20251011 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1126.0 | USD | 20251011 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 928.95 | USD | 20251011 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 999.32 | USD | 20251011 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1013.4 | USD | 20251011 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1203.41 | USD | 20251011 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1238.6 | USD | 20251011 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 971.17 | USD | 20251011 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1083.77 | USD | 20251011 |