| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 833.82 | USD | 20251201 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.27 | USD | 20251201 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 777.29 | USD | 20251201 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1201.26 | USD | 20251201 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 932.74 | USD | 20251201 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.15 | USD | 20251201 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.27 | USD | 20251201 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 749.02 | USD | 20251201 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 756.09 | USD | 20251201 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 922.85 | USD | 20251201 |