| Vendor | Spec | Unit | Price | Currency | Date | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1107.88 | USD | 20251028 | 
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1129.05 | USD | 20251028 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1114.94 | USD | 20251028 | 
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 987.92 | USD | 20251028 | 
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 920.18 | USD | 20251028 | 
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1058.48 | USD | 20251028 | 
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 987.92 | USD | 20251028 | 
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 994.98 | USD | 20251028 | 
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 931.47 | USD | 20251028 | 
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1002.03 | USD | 20251028 |