| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 889.63 | USD | 20251117 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1200.29 | USD | 20251117 |
| Zibo Zhongsheng Chemical Co., Ltd. | China national standards | MT | 1270.9 | USD | 20251117 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1101.45 | USD | 20251117 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 889.63 | USD | 20251117 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 889.63 | USD | 20251117 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1087.32 | USD | 20251117 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 953.17 | USD | 20251117 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1200.29 | USD | 20251117 |
| Nanjing Waien Chemical Technology Co., Ltd. | China national standards | MT | 910.81 | USD | 20251117 |