| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 876.21 | USD | 20251201 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 908.72 | USD | 20251201 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 932.74 | USD | 20251201 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1158.86 | USD | 20251201 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1059.94 | USD | 20251201 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 918.61 | USD | 20251201 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1130.6 | USD | 20251201 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 890.35 | USD | 20251201 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 866.32 | USD | 20251201 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 975.14 | USD | 20251201 |