| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1148.71 | USD | 20251017 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1127.57 | USD | 20251017 |
| Jiangsu Yangnong Chemical Co., Ltd. | China national standards | MT | 1479.94 | USD | 20251017 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1479.94 | USD | 20251017 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1592.69 | USD | 20251017 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1127.57 | USD | 20251017 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1592.69 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1172.67 | USD | 20251017 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1479.94 | USD | 20251017 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1747.73 | USD | 20251017 |