| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1187.29 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1212.67 | USD | 20251023 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1057.56 | USD | 20251023 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 958.85 | USD | 20251023 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1029.36 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1177.42 | USD | 20251023 |
| Befar Group Co., Ltd. | China national standards | MT | 888.35 | USD | 20251023 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1240.87 | USD | 20251023 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1057.56 | USD | 20251023 |