| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 974.66 | USD | 20251202 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 908.27 | USD | 20251202 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 918.16 | USD | 20251202 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 875.78 | USD | 20251202 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 918.16 | USD | 20251202 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 918.16 | USD | 20251202 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 875.78 | USD | 20251202 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1172.42 | USD | 20251202 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 932.28 | USD | 20251202 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 875.78 | USD | 20251202 |