| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1283.14 | USD | 20251208 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1059.86 | USD | 20251208 |
| Sinopec/sabic Tianjin Petrochemical Company Limited | China national standards | MT | 819.63 | USD | 20251208 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 805.49 | USD | 20251208 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 819.63 | USD | 20251208 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 805.49 | USD | 20251208 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 975.07 | USD | 20251208 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 1073.99 | USD | 20251208 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 805.49 | USD | 20251208 |