| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 957.46 | USD | 20251014 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 957.46 | USD | 20251014 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1267.23 | USD | 20251014 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 872.98 | USD | 20251014 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 887.06 | USD | 20251014 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 887.06 | USD | 20251014 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1098.27 | USD | 20251014 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 887.06 | USD | 20251014 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 950.61 | USD | 20251013 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 929.49 | USD | 20251013 |