| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 1077.95 | USD | 20251016 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1268.18 | USD | 20251016 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1056.81 | USD | 20251016 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1352.72 | USD | 20251016 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1352.72 | USD | 20251016 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1831.81 | USD | 20251016 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1521.81 | USD | 20251016 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 1077.95 | USD | 20251016 |
| Dongying Hebang Chemical Co., Ltd. | China national standards | MT | 1352.72 | USD | 20251016 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1127.27 | USD | 20251016 |