| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 862.15 | USD | 20251210 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1201.36 | USD | 20251210 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 840.95 | USD | 20251210 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 848.02 | USD | 20251210 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 876.29 | USD | 20251210 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 805.62 | USD | 20251210 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 805.62 | USD | 20251210 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1102.43 | USD | 20251210 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 908.8 | USD | 20251210 |
| Zhejiang Petroleum&Chemical Co., Ltd. | China national standards | MT | 848.02 | USD | 20251210 |