| Vendor | Spec | Unit | Price | Currency | Date |
| Derun Chemical Co., Ltd. | China national standards | MT | 931.87 | USD | 20251115 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1016.59 | USD | 20251115 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.87 | USD | 20251115 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.87 | USD | 20251115 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 974.23 | USD | 20251115 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1094.25 | USD | 20251115 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.87 | USD | 20251115 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 734.2 | USD | 20251115 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.87 | USD | 20251115 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.87 | USD | 20251115 |