| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 805.67 | USD | 20251207 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 805.67 | USD | 20251207 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 975.28 | USD | 20251207 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 805.67 | USD | 20251207 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 932.88 | USD | 20251206 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 805.67 | USD | 20251206 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 932.88 | USD | 20251206 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 932.88 | USD | 20251206 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 805.67 | USD | 20251206 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 932.88 | USD | 20251206 |