| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Group Co., Ltd. | China national standards | MT | 915.22 | USD | 20251014 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 915.22 | USD | 20251014 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 915.22 | USD | 20251014 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 915.22 | USD | 20251014 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 915.22 | USD | 20251014 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1182.75 | USD | 20251014 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 915.22 | USD | 20251014 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1295.39 | USD | 20251014 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 933.53 | USD | 20251014 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 915.22 | USD | 20251014 |