| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1254.42 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1099.38 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1099.38 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1078.24 | USD | 20251017 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1268.52 | USD | 20251017 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1000.72 | USD | 20251017 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1000.72 | USD | 20251017 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1057.1 | USD | 20251017 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1127.57 | USD | 20251017 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1254.42 | USD | 20251017 |