| Vendor | Spec | Unit | Price | Currency | Date |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1180.79 | USD | 20251104 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1241.76 | USD | 20251103 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1121.82 | USD | 20251103 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1142.99 | USD | 20251103 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1142.99 | USD | 20251103 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1142.99 | USD | 20251103 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1188.14 | USD | 20251103 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1093.6 | USD | 20251103 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1171.21 | USD | 20251103 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1128.88 | USD | 20251103 |