| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 902.62 | USD | 20251120 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1100.06 | USD | 20251120 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 930.82 | USD | 20251120 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1304.56 | USD | 20251120 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1015.44 | USD | 20251120 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 987.24 | USD | 20251120 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 973.13 | USD | 20251120 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 860.31 | USD | 20251120 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 987.24 | USD | 20251120 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 930.82 | USD | 20251120 |