LONGONE, a China-based manufacturer of industrial filter plates and filter presses. We supply recessed, membrane, CGR and plate-and-frame filter plates compatible with most global brands — serving 30+ countries with factory-direct pricing and custom solutions.
LONGONE is a professional manufacturer of filter press plates and complete filter press systems, headquartered in Tonglu County, Hangzhou, Zhejiang Province, China. We specialize in producing chamber filter plates, membrane filter plates, CGR gasketed plates and plate-and-frame filter plates, covering a full range of industrial solid-liquid separation needs. Alongside our filter plate product line, LONGONE also manufactures complete filter press equipment for customers who require a full filtration system. Our products are exported to more than 30 countries, serving clients in wastewater treatment, mining, chemical processing, food production and beyond. We supply directly from the factory — no intermediaries, no compromises on quality.
Our top priority is customer satisfaction and we work closely with clients to understand their unique needs and goals.
Order straight from our factory and eliminate middlemen costs, ensuring competitive pricing with full production transparency on every order.
Our filter plates are engineered to dimensional standards that fit presses from leading international brands, making replacement straightforward and cost-effective.
Plates are available in PP, glass fiber reinforced PP, PVDF, stainless steel and cast iron to handle chemical, thermal and mechanical stress reliably.
We customize plate size, chamber depth, feed position, material, gasket type and drainage surface to match your exact process or replacement requirements.
Our facility operates rigorous dimensional inspection and material testing processes, ensuring every filter plate leaves the factory meeting performance specifications.
Our team reviews specifications, advises on selection and follows up after delivery — keeping your project on schedule with accurate, timely communication.
LONGONE ships filter plates to customers in more than 30 countries worldwide, with reliable export experience across Europe, the Americas, Southeast Asia, the Middle East and beyond.
Our filter plates meet international quality standards with comprehensive certifications. LONGONE maintains strict quality management systems, ensuring every product delivers reliable performance and industry compliance globally.
Tell us your plate size, type, quantity and application — our team will review your requirements and respond with a detailed quotation within 24 hours.
What to Share With Us:
Whether you need 10 replacement plates or a full production plate pack, LONGONE is ready — send your inquiry now and receive a response within 24 hours.
