| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 805.67 | USD | 20251205 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 883.4 | USD | 20251205 |
| Hunan Qilu New Materials Technology Co., Ltd. | China national standards | MT | 1031.82 | USD | 20251205 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 908.85 | USD | 20251205 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1060.09 | USD | 20251205 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1003.55 | USD | 20251205 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.41 | USD | 20251205 |
| Changzhou Jiaye Chemical Co., Ltd. | China national standards | MT | 1667.87 | USD | 20251205 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 862.2 | USD | 20251205 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 954.08 | USD | 20251205 |