| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 944.62 | USD | 20251024 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 958.72 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1099.71 | USD | 20251024 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 888.22 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1106.76 | USD | 20251024 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1113.81 | USD | 20251024 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 993.97 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1127.9 | USD | 20251024 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 930.52 | USD | 20251024 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1113.81 | USD | 20251024 |