| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 1072.48 | USD | 20251030 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1122.2 | USD | 20251029 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1206.89 | USD | 20251029 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1206.89 | USD | 20251029 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1221.01 | USD | 20251029 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1206.89 | USD | 20251029 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1206.89 | USD | 20251029 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1213.95 | USD | 20251029 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1213.95 | USD | 20251029 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1030.45 | USD | 20251029 |