| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1028.07 | USD | 20251013 |
| Hebei Risun Energy Limited | China national standards | MT | 957.65 | USD | 20251013 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 985.82 | USD | 20251013 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 844.99 | USD | 20251013 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 844.99 | USD | 20251013 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 873.15 | USD | 20251013 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1112.57 | USD | 20251013 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 873.15 | USD | 20251013 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 985.82 | USD | 20251013 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 957.65 | USD | 20251013 |