| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 895.4 | USD | 20251023 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1198.57 | USD | 20251023 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 891.17 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 895.4 | USD | 20251023 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1226.77 | USD | 20251023 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 891.17 | USD | 20251023 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 888.35 | USD | 20251023 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1381.88 | USD | 20251023 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1297.27 | USD | 20251023 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 895.4 | USD | 20251023 |