| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.83 | USD | 20251128 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 762.83 | USD | 20251128 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 967.66 | USD | 20251128 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1412.65 | USD | 20251128 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 748.7 | USD | 20251128 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 904.1 | USD | 20251128 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 904.1 | USD | 20251128 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 762.83 | USD | 20251128 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 762.83 | USD | 20251128 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 748.7 | USD | 20251128 |