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| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1282.52 | USD | 20251022 | 
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 768.1 | USD | 20251022 | 
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 972.46 | USD | 20251022 | 
| Derun Chemical Co., Ltd. | China national standards | MT | 1113.4 | USD | 20251022 | 
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1099.3 | USD | 20251022 | 
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 768.1 | USD | 20251022 | 
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 810.38 | USD | 20251022 | 
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1113.4 | USD | 20251022 | 
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1099.3 | USD | 20251022 | 
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 768.1 | USD | 20251022 |