| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1313.76 | USD | 20251128 |
| Hunan Jinyu Fine Chemical Co., Ltd. | China national standards | MT | 1582.17 | USD | 20251128 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.14 | USD | 20251128 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1822.32 | USD | 20251128 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1130.12 | USD | 20251128 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.14 | USD | 20251128 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1695.18 | USD | 20251128 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1130.12 | USD | 20251128 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1342.02 | USD | 20251128 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1596.29 | USD | 20251128 |