| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1297.27 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 895.4 | USD | 20251023 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1198.57 | USD | 20251023 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1198.57 | USD | 20251023 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 1198.57 | USD | 20251023 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 891.17 | USD | 20251023 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1367.08 | USD | 20251022 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1381.18 | USD | 20251022 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1296.61 | USD | 20251022 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1197.96 | USD | 20251022 |