| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1242.48 | USD | 20251125 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1115.41 | USD | 20251125 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1623.7 | USD | 20251125 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1115.41 | USD | 20251125 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1115.41 | USD | 20251125 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1115.41 | USD | 20251125 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1030.69 | USD | 20251125 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1030.69 | USD | 20251125 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1058.93 | USD | 20251125 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1256.6 | USD | 20251125 |