| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Xingdate Biotechnology Co., Ltd. | China national standards | MT | 988.85 | USD | 20251128 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 953.54 | USD | 20251128 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 908.33 | USD | 20251128 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1158.37 | USD | 20251128 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 908.33 | USD | 20251128 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1243.13 | USD | 20251128 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 988.85 | USD | 20251128 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 875.84 | USD | 20251128 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 960.6 | USD | 20251128 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 908.33 | USD | 20251128 |