| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 927.18 | USD | 20251016 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 930.0 | USD | 20251016 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 887.72 | USD | 20251016 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 930.0 | USD | 20251016 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 930.0 | USD | 20251016 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 796.13 | USD | 20251016 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 760.91 | USD | 20251016 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 922.95 | USD | 20251016 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 944.09 | USD | 20251016 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 796.13 | USD | 20251016 |