| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1144.25 | USD | 20251128 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1144.25 | USD | 20251128 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1144.25 | USD | 20251128 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1189.45 | USD | 20251128 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1031.23 | USD | 20251128 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1214.88 | USD | 20251128 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1130.12 | USD | 20251128 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1215.05 | USD | 20251127 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1207.99 | USD | 20251127 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1257.44 | USD | 20251127 |