| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 932.28 | USD | 20251202 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 932.28 | USD | 20251202 |
| Zhejiang Petroleum&Chemical Co., Ltd. | China national standards | MT | 889.91 | USD | 20251202 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 918.16 | USD | 20251202 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 908.27 | USD | 20251202 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 865.89 | USD | 20251202 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1115.91 | USD | 20251202 |
| Jiangsu Xiaomi Chemical Trading Co., Ltd. | China national standards | MT | 853.18 | USD | 20251202 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1172.42 | USD | 20251202 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 918.16 | USD | 20251202 |