| Vendor | Spec | Unit | Price | Currency | Date | 
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 815.68 | USD | 20250922 | 
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 843.81 | USD | 20250922 | 
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 871.67 | USD | 20250921 | 
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 857.61 | USD | 20250921 | 
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 822.46 | USD | 20250921 | 
| Lihuayi Group Co., Ltd. | China national standards | MT | 843.55 | USD | 20250921 | 
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 885.73 | USD | 20250921 | 
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 984.14 | USD | 20250921 | 
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1237.21 | USD | 20250920 | 
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 822.46 | USD | 20250920 |