| Vendor | Spec | Unit | Price | Currency | Date | 
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 930.52 | USD | 20251024 | 
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 986.92 | USD | 20251024 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1127.9 | USD | 20251024 | 
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 930.52 | USD | 20251024 | 
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1113.81 | USD | 20251024 | 
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 986.92 | USD | 20251024 | 
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 916.42 | USD | 20251024 | 
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 888.22 | USD | 20251024 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1106.76 | USD | 20251024 | 
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1280.17 | USD | 20251024 |