Qingdao Longfeng Chemical Co., Ltd., registered in Qingdao, China with one office in Hongkong which provide superior supply chain services to customers around the world. Since 2006, Longfeng has been dedicating itself as an active manufacturer and supplier of chemical products onan international

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Zhengzhou Leabon Machinery Equipment Co., Ltd. is a professional and advanced supplier of filtration equipments. Our machinery range covers series of PLC automatic filter press, membrane automatic filter press, DZU rubber belt vacuum filter, Horizontal vibratory centrifuge, pumps, filter plates, and

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