From New Energy to Chemical, Proven Across Industries
Since 1986-Committed to Excellence in Microfiltration
Mastering Microfiltration for 40 Years
Zhejiang Dongou Filter Manufacturing Co., Ltd.
Founded in 1986, Dongou specializes in polymer-based and surface layer filtration technology to deliver unmatched performance in temperature resistance, chemical compatibility, and long-term durability.
From integrated filtration–washing units and reaction–concentration systems to continuous crystallization and activated carbon regeneration, we provide tailored solutions that drive productivity and sustainability across industries.
We offer more than a product; we provide a precision-driven process. With our advanced filtration selection technology and comprehensive laboratory trials, we precisely tailor solutions to address diverse application requirements.
units annual output
production bases
patents
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Precision Microfiltration Across Industries
Cases
5000+
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1000+
Project Background As a major agricultural country, China has a significant demand for glyphosate, a non-selective, residue-free herbicide. In 2007,
Project Background This story began in 2001 when an environmental business owner from Taiwan discovered a company specializing in wastewater
Pain Points In 2016, a Chinese tungsten industry leader (Shanghai-listed,SHA:600549) faced dual challenges in ternary precursor production: Primitive sedimentation equipment
News
Seoul, Korea — November 2025 At BIOPLUS-INTERPHEX Korea 2025 (BIX 2025), Dongou MF showcased its advanced polymer-based microfiltration and solid–liquid
At ICBR 2025, global experts and industry leaders gathered to address the challenges and opportunities shaping the future of battery
Amid the global shift toward the green economy, industries such as environmental protection and new energy are experiencing rapid growth, driven by the