| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1268.86 | USD | 20251021 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1043.28 | USD | 20251021 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1043.28 | USD | 20251021 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1381.64 | USD | 20251021 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1268.86 | USD | 20251021 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1127.87 | USD | 20251021 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1187.09 | USD | 20251021 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1092.63 | USD | 20251021 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1170.17 | USD | 20251021 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1127.87 | USD | 20251021 |