| Vendor | Spec | Unit | Price | Currency | Date |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 401.7 | USD | 20251017 |
| China national standards | MT | 295.99 | USD | 20251017 | |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.95 | USD | 20251016 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 366.36 | USD | 20251016 |
| China national standards | MT | 366.36 | USD | 20251016 | |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.95 | USD | 20251016 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.95 | USD | 20251016 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.95 | USD | 20251016 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.95 | USD | 20251016 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 366.36 | USD | 20251016 |