| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1043.0 | USD | 20251017 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 1078.24 | USD | 20251017 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1268.52 | USD | 20251017 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1268.52 | USD | 20251017 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 909.1 | USD | 20251017 |
| Hunan Jinyu Fine Chemical Co., Ltd. | China national standards | MT | 1043.0 | USD | 20251017 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 916.15 | USD | 20251017 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1000.72 | USD | 20251017 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 986.62 | USD | 20251017 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 916.15 | USD | 20251017 |