| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1211.73 | USD | 20251020 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1056.74 | USD | 20251020 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1620.33 | USD | 20251020 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1077.87 | USD | 20251020 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1176.5 | USD | 20251020 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1211.73 | USD | 20251020 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1028.56 | USD | 20251020 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1204.68 | USD | 20251020 |
| Hangjin Technology Co., Ltd. | China national standards | MT | 1014.47 | USD | 20251020 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1204.68 | USD | 20251020 |