| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 812.09 | USD | 20251025 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 881.18 | USD | 20251024 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 845.93 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1099.71 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1099.71 | USD | 20251024 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1254.79 | USD | 20251024 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1127.9 | USD | 20251024 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1127.9 | USD | 20251024 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 888.22 | USD | 20251024 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 888.22 | USD | 20251024 |