| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1257.7 | USD | 20251208 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1088.12 | USD | 20251208 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1102.26 | USD | 20251208 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1625.12 | USD | 20251208 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1088.12 | USD | 20251208 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 1215.31 | USD | 20251208 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1257.7 | USD | 20251208 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1031.6 | USD | 20251208 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1189.87 | USD | 20251208 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1172.91 | USD | 20251208 |