| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1028.63 | USD | 20251016 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1028.63 | USD | 20251016 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1113.18 | USD | 20251016 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 845.45 | USD | 20251016 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 944.09 | USD | 20251016 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 845.45 | USD | 20251016 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 873.3 | USD | 20251015 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 845.13 | USD | 20251015 |