| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1059.64 | USD | 20251127 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1624.78 | USD | 20251127 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1215.05 | USD | 20251127 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1116.15 | USD | 20251127 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 988.99 | USD | 20251127 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1116.15 | USD | 20251127 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1215.05 | USD | 20251127 |
| Befar Group Co., Ltd. | China national standards | MT | 1137.34 | USD | 20251127 |
| Hunan Qilu New Materials Technology Co., Ltd. | China national standards | MT | 1257.44 | USD | 20251127 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 960.74 | USD | 20251127 |