| Vendor | Spec | Unit | Price | Currency | Date |
| Wudi Xinyue Chemical Group Co., Ltd. | China national standards | MT | 1116.62 | USD | 20251207 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1088.35 | USD | 20251207 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1116.62 | USD | 20251207 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1088.35 | USD | 20251207 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1088.35 | USD | 20251207 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1088.35 | USD | 20251206 |
| Wudi Xinyue Chemical Group Co., Ltd. | China national standards | MT | 1116.62 | USD | 20251206 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 961.14 | USD | 20251206 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1088.35 | USD | 20251206 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 989.41 | USD | 20251206 |