| Vendor | Spec | Unit | Price | Currency | Date | 
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 704.49 | USD | 20251020 | 
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 781.99 | USD | 20251020 | 
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 704.49 | USD | 20251020 | 
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 704.49 | USD | 20251020 | 
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 760.85 | USD | 20251020 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 866.53 | USD | 20251020 | 
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 789.03 | USD | 20251020 | 
| Jiangsu Lianhai Biological Technology Co., Ltd. | China national standards | MT | 753.81 | USD | 20251020 | 
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 711.54 | USD | 20251020 | 
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 774.94 | USD | 20251020 |