| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 875.13 | USD | 20251124 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 973.93 | USD | 20251124 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 889.24 | USD | 20251124 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1129.19 | USD | 20251124 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1157.42 | USD | 20251124 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 875.13 | USD | 20251124 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1108.02 | USD | 20251124 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1171.54 | USD | 20251124 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1171.54 | USD | 20251124 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1281.64 | USD | 20251124 |