| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1197.07 | USD | 20251013 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 957.65 | USD | 20251013 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1154.82 | USD | 20251013 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 971.74 | USD | 20251013 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 915.4 | USD | 20251013 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1098.48 | USD | 20251013 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1021.03 | USD | 20251013 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1204.11 | USD | 20251013 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.82 | USD | 20251013 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1084.4 | USD | 20251013 |