| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 897.52 | USD | 20251020 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 890.48 | USD | 20251020 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1197.64 | USD | 20251020 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 986.29 | USD | 20251020 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1338.54 | USD | 20251020 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 890.48 | USD | 20251020 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 986.29 | USD | 20251020 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 897.52 | USD | 20251020 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 890.48 | USD | 20251020 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 890.48 | USD | 20251020 |