| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 914.87 | USD | 20251010 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 921.91 | USD | 20251010 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 943.02 | USD | 20251010 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 928.95 | USD | 20251010 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 886.72 | USD | 20251010 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 928.95 | USD | 20251010 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 928.95 | USD | 20251010 |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 780.57 | USD | 20251009 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 801.67 | USD | 20251009 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 801.67 | USD | 20251009 |