| Vendor | Spec | Unit | Price | Currency | Date |
| Hangjin Technology Co., Ltd. | China national standards | MT | 1016.72 | USD | 20251117 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1270.9 | USD | 20251117 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1080.26 | USD | 20251117 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1143.81 | USD | 20251117 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1242.66 | USD | 20251117 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1030.84 | USD | 20251117 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1073.2 | USD | 20251117 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1242.66 | USD | 20251117 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1073.2 | USD | 20251117 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1143.81 | USD | 20251117 |