| Vendor | Spec | Unit | Price | Currency | Date |
| Hunan Jinyu Fine Chemical Co., Ltd. | China national standards | MT | 1582.17 | USD | 20251128 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1568.04 | USD | 20251128 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1695.18 | USD | 20251128 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1144.25 | USD | 20251128 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1624.55 | USD | 20251128 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1568.04 | USD | 20251128 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1313.76 | USD | 20251128 |
| Hubei Seven Eight Nine 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 Shuojia Chemical Co., Ltd. | China national standards | MT | 1568.04 | USD | 20251128 |