| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 852.95 | USD | 20251021 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 711.97 | USD | 20251021 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 704.92 | USD | 20251021 |
| Jiangsu Lianhai Biological Technology Co., Ltd. | China national standards | MT | 754.26 | USD | 20251021 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 803.61 | USD | 20251021 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 726.07 | USD | 20251021 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 752.85 | USD | 20251021 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 789.51 | USD | 20251021 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 768.36 | USD | 20251021 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 747.22 | USD | 20251021 |