| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Xingdate Biotechnology Co., Ltd. | China national standards | MT | 989.64 | USD | 20251204 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 909.05 | USD | 20251204 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1003.77 | USD | 20251204 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 890.67 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 834.12 | USD | 20251204 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1102.74 | USD | 20251204 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.64 | USD | 20251204 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1283.7 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 834.12 | USD | 20251204 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 918.95 | USD | 20251204 |