| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 886.05 | USD | 20251009 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1125.14 | USD | 20251009 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 963.4 | USD | 20251009 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 991.53 | USD | 20251009 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1104.05 | USD | 20251009 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 991.53 | USD | 20251009 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 998.57 | USD | 20251009 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 956.37 | USD | 20251009 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 956.37 | USD | 20251009 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 956.37 | USD | 20251009 |