| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1128.91 | USD | 20251106 |
| Befar Group Co., Ltd. | China national standards | MT | 888.56 | USD | 20251105 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1128.33 | USD | 20251105 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1093.07 | USD | 20251105 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1170.65 | USD | 20251105 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1128.33 | USD | 20251105 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1128.33 | USD | 20251105 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1057.81 | USD | 20251105 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1057.81 | USD | 20251105 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1057.81 | USD | 20251105 |