| Vendor | Spec | Unit | Price | Currency | Date |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1340.29 | USD | 20251031 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1227.43 | USD | 20251031 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1044.02 | USD | 20251031 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 973.48 | USD | 20251031 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1382.62 | USD | 20251031 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 987.58 | USD | 20251031 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 884.59 | USD | 20251031 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 884.59 | USD | 20251031 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 884.59 | USD | 20251031 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 888.83 | USD | 20251031 |