| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1108.93 | USD | 20251129 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 918.22 | USD | 20251129 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 875.84 | USD | 20251129 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1115.99 | USD | 20251129 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 882.91 | USD | 20251129 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1158.37 | USD | 20251128 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 974.73 | USD | 20251128 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 918.22 | USD | 20251128 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 908.33 | USD | 20251128 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1282.69 | USD | 20251128 |