| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 960.53 | USD | 20251202 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1200.67 | USD | 20251202 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1214.79 | USD | 20251202 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1059.41 | USD | 20251202 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1087.66 | USD | 20251202 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 988.78 | USD | 20251202 |
| Befar Group Co., Ltd. | China national standards | MT | 889.91 | USD | 20251202 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 960.53 | USD | 20251202 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 988.78 | USD | 20251202 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1243.04 | USD | 20251202 |