| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1045.88 | USD | 20251203 |
| Befar Group Co., Ltd. | China national standards | MT | 1116.54 | USD | 20251203 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1130.68 | USD | 20251203 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1088.28 | USD | 20251203 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 989.34 | USD | 20251203 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1201.35 | USD | 20251203 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1173.08 | USD | 20251203 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1215.48 | USD | 20251203 |
| Befar Group Co., Ltd. | China national standards | MT | 890.41 | USD | 20251203 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 989.34 | USD | 20251203 |