| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1201.65 | USD | 20250926 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1201.65 | USD | 20250926 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1208.68 | USD | 20250926 |
| Dongying Huatai Chemical Group Co., Ltd. | China national standards | MT | 1208.68 | USD | 20250926 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1293.01 | USD | 20250926 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1011.92 | USD | 20250926 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1011.92 | USD | 20250926 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1011.92 | USD | 20250926 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1011.92 | USD | 20250926 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1264.9 | USD | 20250926 |