| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 985.8 | USD | 20250909 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 999.89 | USD | 20250909 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 999.89 | USD | 20250909 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1028.05 | USD | 20250909 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1070.3 | USD | 20250909 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 985.8 | USD | 20250909 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 985.8 | USD | 20250909 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1098.47 | USD | 20250909 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1098.47 | USD | 20250909 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1077.34 | USD | 20250909 |