| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1114.94 | USD | 20251028 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1199.62 | USD | 20251028 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 920.18 | USD | 20251028 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 987.92 | USD | 20251028 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1281.47 | USD | 20251028 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 987.92 | USD | 20251028 |
| Jiangsu Xiaomi Chemical Trading Co., Ltd. | China national standards | MT | 914.53 | USD | 20251028 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 987.92 | USD | 20251028 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 917.35 | USD | 20251028 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1107.88 | USD | 20251028 |