| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 918.74 | USD | 20251205 |
| Hunan Qilu New Materials Technology Co., Ltd. | China national standards | MT | 1031.82 | USD | 20251205 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 932.88 | USD | 20251205 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 932.88 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 819.8 | USD | 20251205 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1003.55 | USD | 20251205 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 890.47 | USD | 20251205 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1159.03 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 819.8 | USD | 20251205 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 848.07 | USD | 20251205 |