| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.34 | USD | 20251203 |
| Zhejiang Petroleum&Chemical Co., Ltd. | China national standards | MT | 890.41 | USD | 20251203 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1116.54 | USD | 20251203 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1272.01 | USD | 20251203 |
| Jinan Xingdate Biotechnology Co., Ltd. | China national standards | MT | 989.34 | USD | 20251203 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 876.28 | USD | 20251203 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 883.34 | USD | 20251203 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 918.68 | USD | 20251203 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1243.75 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 840.94 | USD | 20251203 |