| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 931.14 | USD | 20251027 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 1072.22 | USD | 20251027 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 919.85 | USD | 20251027 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 919.85 | USD | 20251027 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 917.03 | USD | 20251027 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1093.38 | USD | 20251027 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 919.85 | USD | 20251027 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1241.52 | USD | 20251027 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1058.11 | USD | 20251027 |
| Jiangsu Xiaomi Chemical Trading Co., Ltd. | China national standards | MT | 924.08 | USD | 20251027 |