| Vendor | Spec | Unit | Price | Currency | Date |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 930.25 | USD | 20251017 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 930.25 | USD | 20251017 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1014.81 | USD | 20251017 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 944.34 | USD | 20251017 |
| Sinopec/sabic Tianjin Petrochemical Company Limited | China national standards | MT | 930.25 | USD | 20251017 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 930.25 | USD | 20251017 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1050.05 | USD | 20251017 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 923.2 | USD | 20251017 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 986.62 | USD | 20251017 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 986.62 | USD | 20251017 |