| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1198.4 | USD | 20251024 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1240.69 | USD | 20251024 |
| Hangjin Technology Co., Ltd. | China national standards | MT | 1015.11 | USD | 20251024 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1212.5 | USD | 20251024 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1057.41 | USD | 20251024 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 986.92 | USD | 20251024 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1057.41 | USD | 20251024 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 958.72 | USD | 20251024 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1057.41 | USD | 20251024 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1311.19 | USD | 20251024 |