| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1072.46 | USD | 20251113 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1270.02 | USD | 20251113 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1107.74 | USD | 20251113 |
| Henan Kaixiang Chemical Co., Ltd. | China national standards | MT | 1072.46 | USD | 20251113 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1107.74 | USD | 20251113 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1108.24 | USD | 20251112 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1270.59 | USD | 20251112 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1072.95 | USD | 20251112 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1108.24 | USD | 20251112 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1108.24 | USD | 20251112 |