| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 844.5 | USD | 20251010 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 788.2 | USD | 20251010 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 844.5 | USD | 20251010 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1055.62 | USD | 20251010 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1224.52 | USD | 20251010 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 999.32 | USD | 20251010 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1140.07 | USD | 20251010 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 879.69 | USD | 20251010 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 943.02 | USD | 20251010 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 957.1 | USD | 20251010 |