| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 976.15 | USD | 20251211 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 976.15 | USD | 20251211 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 877.12 | USD | 20251211 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 806.38 | USD | 20251211 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 806.38 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 806.38 | USD | 20251211 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 862.97 | USD | 20251211 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 820.53 | USD | 20251211 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 820.53 | USD | 20251211 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 820.53 | USD | 20251211 |