| Vendor | Spec | Unit | Price | Currency | Date | 
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 872.98 | USD | 20251014 | 
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 971.54 | USD | 20251014 | 
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 872.98 | USD | 20251014 | 
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 887.06 | USD | 20251014 | 
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 844.82 | USD | 20251014 | 
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 844.82 | USD | 20251014 | 
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 887.06 | USD | 20251014 | 
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 872.98 | USD | 20251014 | 
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 929.3 | USD | 20251014 | 
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 929.3 | USD | 20251014 |