| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1059.64 | USD | 20251127 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1568.26 | USD | 20251127 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.49 | USD | 20251127 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1271.56 | USD | 20251127 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 925.42 | USD | 20251127 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1568.26 | USD | 20251127 |
| Weifang Yixin Chemical Co., Ltd. | China national standards | MT | 1624.78 | USD | 20251127 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 847.71 | USD | 20251127 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1568.26 | USD | 20251127 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1638.9 | USD | 20251127 |