| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 920.18 | USD | 20251028 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 920.18 | USD | 20251028 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 917.35 | USD | 20251028 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 889.13 | USD | 20251028 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 931.47 | USD | 20251028 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 945.58 | USD | 20251028 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 987.92 | USD | 20251028 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1199.62 | USD | 20251028 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1129.05 | USD | 20251028 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1114.94 | USD | 20251028 |