| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 919.22 | USD | 20251021 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1240.66 | USD | 20251021 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1198.36 | USD | 20251021 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 993.94 | USD | 20251021 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 919.22 | USD | 20251021 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 916.4 | USD | 20251021 |
| Changzhou Jiaye Chemical Co., Ltd. | China national standards | MT | 1663.61 | USD | 20251021 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1036.23 | USD | 20251021 |
| Jiangsu Xiaomi Chemical Trading Co., Ltd. | China national standards | MT | 923.45 | USD | 20251021 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1092.63 | USD | 20251021 |