| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1226.77 | USD | 20251023 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 930.65 | USD | 20251023 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 930.65 | USD | 20251023 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1198.57 | USD | 20251023 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 888.35 | USD | 20251023 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 916.55 | USD | 20251023 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1198.57 | USD | 20251023 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1071.66 | USD | 20251023 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 958.85 | USD | 20251023 |