| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1056.74 | USD | 20251020 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1204.68 | USD | 20251020 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1211.73 | USD | 20251020 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1211.73 | USD | 20251020 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1204.68 | USD | 20251020 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1239.91 | USD | 20251020 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1056.74 | USD | 20251020 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1268.09 | USD | 20251020 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1056.74 | USD | 20251020 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1204.68 | USD | 20251020 |