| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1088.35 | USD | 20251205 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1045.95 | USD | 20251205 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1144.89 | USD | 20251205 |
| Dongying Huatai Chemical Group Co., Ltd. | China national standards | MT | 1257.97 | USD | 20251205 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1144.89 | USD | 20251205 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1215.56 | USD | 20251205 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1272.1 | USD | 20251205 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1272.1 | USD | 20251205 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1060.09 | USD | 20251205 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1183.06 | USD | 20251205 |