| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.8 | USD | 20251203 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 155.47 | USD | 20251203 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 169.6 | USD | 20251203 |
| Tongdai Haijing NATURAL SODA Co., Ltd. | China national standards | MT | 169.6 | USD | 20251203 |
| Shandong Haihua Co., Ltd. | China national standards | MT | 254.4 | USD | 20251203 |
| Shandong Haihua Co., Ltd. | China national standards | MT | 169.51 | USD | 20251202 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 159.62 | USD | 20251202 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 183.63 | USD | 20251202 |
| Tangshan Sanyou Chemical Industries Co., Ltd. | China national standards | MT | 183.63 | USD | 20251202 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 444.95 | USD | 20251202 |