| Vendor | Spec | Unit | Price | Currency | Date |
| Huainan Guoke Ruida Chemical Product Sales Co., Ltd. | China national standards | MT | 1088.97 | USD | 20250629 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 558.45 | USD | 20250628 |
| China national standards | MT | 770.0 | USD | 20210323 | |
| China national standards | MT | 130.0 | USD | 20210323 | |
| China national standards | MT | 220.0 | USD | 20210323 | |
| China national standards | MT | 130.0 | USD | 20210323 | |
| China national standards | MT | 120.0 | USD | 20210323 | |
| China national standards | MT | 100.0 | USD | 20210323 | |
| China national standards | MT | 750.0 | USD | 20210322 | |
| China national standards | MT | 740.0 | USD | 20210322 |