| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1030.13 | USD | 20251113 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1270.02 | USD | 20251113 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1181.12 | USD | 20251113 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1044.24 | USD | 20251113 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1044.24 | USD | 20251113 |
| Wudi Xinyue Chemical Group Co., Ltd. | China national standards | MT | 1044.24 | USD | 20251113 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1622.8 | USD | 20251113 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1227.69 | USD | 20251113 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1227.69 | USD | 20251113 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1171.77 | USD | 20251112 |