| Vendor | Spec | Unit | Price | Currency | Date |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 494.82 | USD | 20251204 |
| Chang Zhou Qi Di Chemical Co., Ltd. | 90% | MT | 678.61 | USD | 20251204 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 523.09 | USD | 20251204 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 486.34 | USD | 20251204 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 565.51 | USD | 20251204 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 989.34 | USD | 20251203 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.74 | USD | 20251203 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.74 | USD | 20251203 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 402.8 | USD | 20251203 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 407.04 | USD | 20251203 |