| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1059.73 | USD | 20251209 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 918.43 | USD | 20251209 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 819.52 | USD | 20251209 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 805.39 | USD | 20251209 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1271.67 | USD | 20251209 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1158.63 | USD | 20251209 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 932.56 | USD | 20251209 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 826.59 | USD | 20251209 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 819.52 | USD | 20251209 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 805.39 | USD | 20251209 |