| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.35 | USD | 20251113 |
| Befar Group Co., Ltd. | China national standards | MT | 1128.91 | USD | 20251113 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1058.35 | USD | 20251113 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1058.35 | USD | 20251113 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 959.57 | USD | 20251113 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.35 | USD | 20251113 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.35 | USD | 20251113 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 987.79 | USD | 20251113 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1199.46 | USD | 20251113 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1030.13 | USD | 20251113 |