| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1690.78 | USD | 20251020 |
| Dongying Hebang Chemical Co., Ltd. | China national standards | MT | 1352.63 | USD | 20251020 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1634.42 | USD | 20251020 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1690.78 | USD | 20251020 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1690.78 | USD | 20251020 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 915.84 | USD | 20251020 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1690.78 | USD | 20251020 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1521.71 | USD | 20251020 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1141.28 | USD | 20251020 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1817.59 | USD | 20251020 |