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Soluzioni innovative per la qualità dell'aria

Water Purifier Manufacturer for OEM, ODM & Private Label Brands

HisoAir supports global water-treatment brands with product engineering, filtration customization, quality control, certification coordination and scalable OEM/ODM manufacturing.

  • Countertop and under-sink RO platform development
  • Filtration media and cartridge customization
  • Private-label product and packaging development
  • Testing coordination and production support
Start Your Project
Technician checking water-purifier assemblies at a production workstation
OEM/ODM development for countertop and under-sink water purification platforms, with market-specific customization and product documentation support.

Quality, Testing & Certification Documentation

HisoAir supports product-specific testing, validation planning and certification coordination for water purification projects. Applicable requirements depend on the product configuration, water-contact materials, filtration technology and target market.

Product certification, regulatory conformity, quality-management certification and laboratory test reports are separate forms of evidence. Documentation is reviewed against the relevant product model and configuration.

Product Certification & Performance

Review the specified product and cartridge model, applicable standards, validated reduction claims and current certification or listing.

Regulatory Conformity & Material Safety

Review requirements for the intended market and the selected water-contact materials and components.

Quality Management & Testing

Review applicable quality-system documents and product-specific test reports separately.

Water Purifier Platforms We Manufacture

Four platform directions for water-treatment brands, appliance developers and project partners.
Countertop water purifier and ice-maker product platform

Countertop Water Purification Systems

Compact countertop purification platforms with configurable RO filtration and optional functions such as instant heating or ice-making, depending on the selected model.
Explore Water Purification Platforms →
Under-sink reverse osmosis product platform

Under-Sink RO Systems

Under-sink RO platforms with configurable filtration stages, dispensing options and flow capacities to suit different residential applications and project requirements.
Explore Under-Sink Water Purifiers →
WP-3000 twist-lock carbon filtration platform

High-Flow Carbon Block Filtration

Configurable carbon block filtration platforms with project-specific cartridge dimensions, connection interfaces, media options and flow requirements.
Discuss a Filtration Project →
Cold and sparkling-water dispensing product platform

Project-Specific Functional & Commercial Water Systems

Cooling, sparkling-water dispensing and selected commercial configurations can be assessed for functional integration. Engineering review establishes feasibility and production scope before a manufacturing commitment.
Discuss a Commercial Water Project →
Explore Our Water Purification Platforms
For PFAS-specific technology selection and evidence requirements, Explore PFAS Water Filtration Platforms. PFAS reduction claims are evaluated for the specified cartridge and system configuration.

Why Choose HisoAir as Your Water Purifier Manufacturing Partner?

A coordinated approach to product development, brand requirements and manufacturing-partner selection.

Coordinated Project Development

Connect product requirements, engineering discussions and production planning through one coordinated development process.

Platform & Brand Alignment

Match platform options with your brand positioning, product portfolio and private-label launch plans.

Clear Documentation Path

Organize the product information, quality requirements and compliance documents needed for sourcing decisions.

Manufacturing Network Options

Combine China-based engineering coordination with the Malaysia partner’s documented countertop RO and drinking-water appliance production scope.

Engineering & Manufacturing Partner Network — China & Malaysia

China Engineering & Manufacturing Coordination
China-based engineering collaboration and manufacturing-resource coordination. Product scope and production arrangements are established through project review.

Malaysia Water Purification Manufacturing Partner
Published manufacturing scope includes countertop RO and instant-hot and hot/cold drinking-water appliances. The linked factory page provides assembly, testing and inspection records.

Water Purifier Engineering & Manufacturing Capabilities

Customization areas span the cartridge, product structure, water path, functional integration and production process.

Filtration & Cartridge Engineering

Media selection, cartridge geometry and connection interfaces matched to water-quality and flow targets.

Product Structure & Housing Design

Housing geometry, installation layout, enclosure details and product interfaces.

Water-Path & Functional Integration

Water routing, controls and applicable heating, cooling or dispensing functions.

Production & Process Adaptation

Assembly sequence, tooling and fixtures, pilot preparation and process controls.

Filtration Media & Performance Validation

Media and cartridge choices are evaluated against flow, water-quality and service-life targets. Published performance claims require applicable data for the specified configuration.

From Concept to Mass Production

Each step is reviewed against the agreed project scope. Development schedules and delivery requirements are confirmed for the specific program.
01

Project Requirements

Define target market, source-water conditions, product format, flow requirements and expected volume.
02

Platform & Engineering Review

Evaluate whether an existing platform can meet the requirements or whether customization is needed.
03

Prototype & Validation Planning

Define prototype requirements, evaluation criteria and applicable testing before production approval.
04

Quality & Compliance Review

Confirm product-specific testing, documentation and certification requirements for the target market.
05

Pilot & Mass Production

Proceed to production after design approval, validation and agreement on the applicable quality and delivery requirements.
Discuss Your Development Requirements

Manufacturing, Testing & Validation

Published on-site records from the Malaysia manufacturing partner in Johor Bahru, covering assembly, in-line testing and finished-unit inspection.
Countertop RO assembly line at the Malaysia water purification manufacturing partner
Malaysia manufacturing partner · Johor Bahru

Production & Assembly

Countertop RO purifier assembly line at the Malaysia partner facility. Published factory record: March 2026.
In-line testing equipment at the Malaysia water purification manufacturing partner
Malaysia manufacturing partner · Johor Bahru

Product & Component Testing

The published Malaysia testing-line record identifies functional, heating and water-path checks. Published factory record: March 2026.
Inspection room at the Malaysia water purification manufacturing partner
Malaysia manufacturing partner · Johor Bahru

Finished-Unit Inspection

Dedicated inspection area shown in the Malaysia partner’s finished-unit inspection record. Published factory record: March 2026.
View Malaysia Partner Manufacturing & Factory Records

Who We Support

Water purification development and manufacturing support for defined product and market requirements.

Water Purifier Brands & Private-Label Programs

For brands looking to launch, expand or customize their water purification product portfolios.

Home Appliance Brands & Product Developers

For product teams evaluating RO systems, filtration components and configurable water-treatment platforms.

Distributors & System Integrators

For partners seeking suitable water purification platforms, product customization and project-specific technical documentation.

Domande frequenti

Answers to common questions about water purifier sourcing, customization, validation and production planning.

HisoAir supports projects involving countertop RO systems, under-sink RO systems, carbon block filtration and selected functional or commercial water-treatment platforms. Final scope depends on the product requirements and validated manufacturing capabilities.

HisoAir can evaluate OEM, ODM and private-label requirements, from adaptation of an existing platform to customized product development. The project scope is confirmed after reviewing the technical and commercial requirements.

Cartridge dimensions, interfaces, housing designs and media configurations may be customized according to project needs, subject to engineering feasibility and performance validation.

Useful inputs include the target market, source-water conditions, contaminants of concern, required flow rate, product format, estimated annual volume and applicable compliance requirements.

Testing plans and certification requirements depend on the product configuration and target market. Available support should be confirmed for each project, with product certification, third-party testing and regulatory conformity documented separately.

MOQ and lead time depend on the selected platform, customization scope, tooling, component availability, packaging and any required validation or certification activities. Project-specific requirements are confirmed during quotation.

HisoAir can assess development and production support based on the agreed project scope, including engineering review, prototype evaluation, validation planning and production preparation where applicable.

Discuss Your Water Purifier Manufacturing Project

Tell us about your product concept, target market and manufacturing requirements. Our team will review the project scope and identify the most suitable next steps for platform selection, customization or product development.
Your project details are used to review and respond to your inquiry.
Contaminant Engineering•3 min read

PFAS Water Filtration Technologies Explained: Carbon, Resin & RO

Key Takeaway:

PFAS reduction depends on the specific compounds present, treatment media, contact time, water chemistry, and system design. Activated carbon, ion exchange, and Reverse Osmosis address PFAS through different mechanisms.

PFAS are a large family of persistent fluorinated compounds that can occur in drinking-water supplies. Their treatment behavior varies significantly by molecular structure, chain length, functional group, concentration, and the chemistry of the source water.

Granular Activated Carbon (GAC) removes PFAS primarily through adsorption. It is generally more effective for many longer-chain PFAS, while shorter-chain compounds tend to break through more quickly. Carbon performance depends on media properties, Empty Bed Contact Time (EBCT), competing organic matter, loading, and replacement frequency.

Ion-exchange resins use charged functional sites to capture many PFAS compounds. Properly selected anion-exchange media can provide high capacity and may perform better than conventional activated carbon for some shorter-chain PFAS, although performance still depends on water chemistry and competing ions.

Reverse Osmosis (RO) uses membrane separation rather than adsorption. Properly designed RO systems can provide broad reduction across many PFAS compounds as well as dissolved salts and other contaminants. Unlike carbon or resin, however, RO also produces a concentrate stream that must be managed.

No single technology should be selected from a PFAS label alone. System design should consider which PFAS compounds are present, their concentrations, required reduction targets, flow rate, media life, and the applicable third-party certification or validation requirements.

HisoAir Water Technical Series
Product Discovery•3 min read

How to Choose an Under-Sink Water Purifier for Modern Kitchens

Key Takeaway:

Match the treatment technology to your water quality first, then evaluate cabinet space, faucet configuration, flow rate, drain and power requirements, and filter replacement needs.

Choosing an under-sink water purifier starts with water chemistry. Carbon filtration is well suited to chlorine, taste, odor, and many organic contaminants, while Reverse Osmosis is more appropriate when dissolved salts, fluoride, nitrates, or broader dissolved contaminants need to be reduced.

For compact kitchens, tankless RO systems eliminate the conventional storage tank and can significantly reduce the space required under the sink. However, membrane capacity stated in GPD does not directly equal faucet flow. When comparing systems, check the actual dispensing flow rate, inlet-pressure requirement, recovery ratio, and whether a booster pump is required.

Installation architecture also matters. Many RO systems require a drain connection, electrical power, and either a dedicated drinking-water faucet or a compatible multi-function faucet. High-flow carbon systems can often connect directly to the existing cold-water line with a simpler installation, but pressure drop and available faucet flow should still be verified.

RO also removes much of the naturally occurring dissolved mineral content. Where taste or mineral balance is a priority, a post-RO remineralization stage can be added. Filter life should be evaluated by both rated capacity and local water quality rather than replacement time alone.

The right system is therefore not simply the smallest or highest-GPD model. It is the configuration that matches the target contaminants, available cabinet space, desired faucet setup, peak dispensing demand, and maintenance expectations.

HisoAir Water Technical Series
Water Quality•2 min read

What Does TDS Mean in Drinking Water? Measurement vs Contaminant Reality

Key Takeaway:

A TDS meter estimates the overall concentration of dissolved ionic substances from electrical conductivity. It cannot identify specific contaminants or determine whether water is chemically safe.

Total Dissolved Solids (TDS) refers to the combined concentration of dissolved substances in water. Most handheld TDS meters do not measure TDS directly. Instead, they measure electrical conductivity (EC) and convert that reading into an estimated parts-per-million (ppm) value.

This means a TDS reading can indicate how much dissolved ionic material is present, but not what that material actually is. Calcium, magnesium, sodium, nitrates, and other dissolved ions can all contribute to conductivity, yet a simple TDS meter cannot distinguish between them.

TDS meters are also not suitable for detecting trace contaminants such as PFAS, many VOCs, pesticides, pharmaceuticals, or disinfection byproducts. These substances may be present at concentrations far below the level needed to noticeably change electrical conductivity.

A low TDS reading therefore does not guarantee safe drinking water, and a higher TDS reading does not automatically indicate contamination. Water-treatment decisions should be based on laboratory testing for specific contaminants of concern rather than TDS alone.

HisoAir Water Technical Series
Technology Selection•2 min read

RO vs UF Water Filtration: Understanding Pore Sizes & Dissolved Minerals

Key Takeaway:

Ultrafiltration can reduce bacteria, turbidity, and suspended particles while retaining most naturally occurring dissolved minerals. Reverse Osmosis provides much broader reduction of dissolved salts and smaller contaminants.

Ultrafiltration (UF) typically uses hollow-fiber membranes with pore sizes in the approximate 0.01–0.1 micron range. These membranes physically retain turbidity, suspended solids, colloids, and many microorganisms while allowing dissolved minerals and salts to remain in the water.

Reverse Osmosis (RO) operates at a much finer separation level. Unlike UF, RO can substantially reduce dissolved ions such as sodium, calcium, fluoride, nitrates, and other contributors to total dissolved solids (TDS). This makes RO more suitable when dissolved-salt reduction is a primary treatment objective.

UF generally requires less system pressure and produces little or no continuous concentrate stream in many point-of-use configurations. RO typically requires greater pressure and produces a reject-water stream, but delivers broader contaminant reduction.

For water with acceptable TDS and mineral content, UF can be a simpler mineral-retaining treatment option. Where dissolved salts, fluoride, nitrates, or broader dissolved contaminants are a concern, RO is generally the more appropriate technology.

HisoAir Water Technical Series
Technology Selection•4 min read

Carbon Block vs Reverse Osmosis: Which Fits Your Need?

Key Takeaway:

Choose RO for dissolved inorganic salts and heavy metals; choose Carbon Block for chemical taste/odor, no wastewater, and high line-pressure flow.

Reverse Osmosis (RO) and Carbon Block filtration represent two fundamentally different treatment methods: membrane separation and adsorption. Understanding these differences helps determine which technology is better suited to a specific water-quality requirement.

Reverse Osmosis uses a semi-permeable membrane with pore sizes of approximately 0.0001 microns. It can significantly reduce dissolved inorganic contaminants such as TDS, fluoride, nitrates, and certain heavy metals. Because water must be forced through the membrane, RO systems require sufficient pressure or a booster pump and generate a concentrated wastewater stream.

Carbon Block filtration relies primarily on adsorption through compressed activated carbon, commonly with nominal pore sizes around 0.5–5 microns. It is highly effective for chlorine, chloramines, VOCs, taste, and odor, while allowing substantially higher direct-flow rates without producing wastewater.

From an operating perspective, Carbon Block systems are generally simpler, require less energy, and avoid the water loss associated with RO. RO involves higher system complexity and operating cost, but provides substantially broader reduction of dissolved contaminants that Carbon Block alone cannot address.

HisoAir Water Technical Series

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