| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.78 | USD | 20251109 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1058.78 | USD | 20251109 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 988.2 | USD | 20251109 |
| Wudi Xinyue Chemical Group Co., Ltd. | China national standards | MT | 1044.67 | USD | 20251108 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.78 | USD | 20251108 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1058.78 | USD | 20251108 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1058.78 | USD | 20251108 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1058.78 | USD | 20251108 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1079.96 | USD | 20251108 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 959.96 | USD | 20251108 |