For industrial water treatment teams, the challenge is rarely a single contaminant. It is a moving combination of suspended solids, oils, organics, and variable flow that can make conventional separation steps costly to operate. Hollow fiber membrane technology gives buyers a way to achieve consistent clarification, concentration, and biological treatment in a compact footprint. Hangzhou Maina Membrane Technology Co., Ltd. has focused on this field since February 2010, designing and manufacturing hollow fiber membranes, membrane modules, and membrane separation equipment from its base in Hangzhou, Zhejiang Province.
A Membrane Portfolio Built Around Fouling Control and Mechanical Reliability
Maina's product range is organized around the practical demands of long-running water and process separation duties. The core portfolio includes high-antifouling hydrophilic PVDF ultrafiltration membranes and surface-modified PP ultrafiltration membranes, together with PVDF antifouling MBR membranes and PP high-strength MBR membranes. For more specialized process duties, Maina also produces ultrafiltration membranes for electrophoretic paint applications and degassing membranes.
The hydrophilic PVDF ultrafiltration membrane is designed to resist organic fouling while maintaining stable filtration and cleaning behavior. The surface-modified PP ultrafiltration membrane combines the familiar economics of polypropylene with a modified surface to improve wettability and fouling control. In biological wastewater treatment, the PVDF antifouling MBR and PP high-strength MBR modules are positioned for projects that need robust operation, straightforward maintenance, and reliable separation of biomass from treated water.
Specialty modules extend the portfolio beyond standard water treatment. Electrophoretic paint ultrafiltration membranes support paint bath management and recovery in electrocoat processes, where separation performance has a direct effect on bath stability and material losses. Degassing membranes provide a compact route for dissolved gas removal in water and process liquids. For buyers building a product range, this breadth allows a single supplier to cover ultrafiltration, MBR, and selected process separation duties.
From Membrane Module to Complete Separation System
Maina does not stop at the membrane element. The company manufactures membrane modules and membrane separation equipment, and it undertakes installation and commissioning for water treatment projects. This matters to overseas buyers because a module delivered without hydraulic guidance, cleaning strategy, and commissioning support can create avoidable downtime. Maina's team can work from feed conditions, treatment objectives, and site constraints to configure a practical separation solution rather than a one-size-fits-all package.
The company's capabilities cover membrane-based material separation, clarification, and concentration equipment as well as water treatment engineering. For distributors, that means access to modules and systems from a manufacturer that understands both the component and the process train. For project owners, it means a single technical partner for membrane selection, equipment supply, and start-up support.
Research, Manufacturing, and Quality Discipline
Hangzhou Maina Membrane Technology Co., Ltd. was established in February 2010 and operates from a 4,000-square-meter facility in Hangzhou's Lin'an Intelligent Manufacturing Industrial Base. The company is a member of the China Membrane Industry Association and has developed its membrane products through close cooperation with Zhejiang University. Its portfolio is supported by independent intellectual property and multiple invention patents, and its production level has been recognized among China's advanced domestic manufacturers.
Maina has been awarded designations including Hangzhou High-tech Enterprise, AAA Quality, Service and Reputation Enterprise, and Top Ten Integrity Enterprise for Quality Assurance and Customer Satisfaction. These recognitions reflect a management approach built on the values of responsibility, integrity, quality, and innovation. The company brings together water treatment and membrane application specialists with practical experience in system design, installation, and commissioning.
Application Scenarios for Global Buyers
Maina's hollow fiber membranes and modules are suited to a range of water and process separation duties. In municipal and industrial wastewater treatment, MBR modules combine biological treatment with membrane filtration to produce clarified effluent in a compact footprint. In surface water, groundwater, and process water treatment, ultrafiltration modules serve as a barrier against suspended solids and colloidal material ahead of downstream processes. In manufacturing, membrane separation equipment can be applied to material clarification, concentration, and recovery, including electrophoretic paint bath management. Degassing membranes address dissolved gas removal where conventional vacuum or chemical methods are less convenient.
Each application has its own fouling profile. A membrane that performs well on one feed stream may need a different configuration, pretreatment approach, or cleaning regime on another. Maina's role is to match the membrane chemistry, module format, and operating strategy to the duty, then support the customer through installation and commissioning.
Industry Insight: The Real Cost of a Membrane Is in Its Operating Life
Buyers often compare membrane modules on nominal pore size, membrane area, or initial price per unit. In practice, the total cost of ownership is shaped by fouling rate, cleaning frequency, chemical consumption, pressure loss, and the stability of output quality over time. A low-cost module that requires frequent cleaning can quickly become the most expensive part of a treatment train. Likewise, a high-performance membrane can underperform if pretreatment, backwash, or chemical cleaning is poorly designed.
This is why specification alone is not enough. Successful membrane projects depend on a clear understanding of feed variability, an appropriate pretreatment barrier, correctly sized hydraulics, and a service plan that keeps modules within their operating envelope. Maina's engineering team approaches each inquiry with these factors in mind, using the company's experience in membrane manufacturing and water treatment engineering to recommend a workable configuration.
Working with Maina
For distributors and system integrators, Maina offers a focused membrane portfolio with options across PVDF and PP chemistries, UF and MBR duties, and specialty process membranes. For plant owners and project developers, the company provides membrane modules and separation equipment backed by installation and commissioning support. If you are evaluating hollow fiber membranes for a new project, a plant upgrade, or a distributor portfolio, the next step is to share your feed conditions, treatment target, and site requirements with the Maina team.
Contact Hangzhou Maina Membrane Technology Co., Ltd.
Company: Hangzhou Maina Membrane Technology Co., Ltd.
Address: 1704, Building 9, Lin'an Intelligent Manufacturing Industrial Base, Hangzhou City, Zhejiang Province
Contact: Cheng Zhe
Phone: 15038088508
Email: C15038088508@hotmail.com
WhatsApp / Skype: 15038088508
Website: www.mainamem.com



