What is the minimum order quantity (MOQ)?

The MOQ is 10 units for regular in-stock products and 100 units for customized products. Bulk orders may enjoy tiered discounts.

What is the warranty period and coverage?

Products have a 1-year warranty covering core components and main body. Filters have a 6-month warranty. Free maintenance and parts are provided for non-human damage.

How are filter cartridges replaced?

PP cotton filters need replacement every 3-6 months, activated carbon every 6-12 months, and RO filters every 2-3 years, depending on water quality and usage.

What happens after the warranty period expires?

We provide original factory parts for maintenance at a cost of component price plus a small labor fee, along with lifelong technical consulting services.

5-Stage Reverse Osmosis Under-Sink Water Purifier for Home Use

Name: 5-Stage Reverse Osmosis Under-Sink Water Purifier for Home Use
Brand: Ningbo Keyinle Technology Co., Ltd
SKU: 2256720715

Zhejiang, ChinaNingbo Keyinle Technology Co., Ltd

US$85.00

1-19 Pieces

US$75.00

20-99 Pieces

US$70.00

100-199 Pieces

US$65.00

200+ Pieces

Product specifications

color

Sample price:US$85.00/piece.Request sample

Product profile

Customization

Available

Style for Purifier

Cabinet

Operating Principle

Model NO.

KH-03

Certification

CE, RoHS

Water Purification Efficacy

Straight Drink

Water Temperature

Normal

Descaling Function

Pipe Design Rate

Incremental

Water Function

Hydrogen-Rich Water

Filter

PP+CTO+RO+T33+Alk/Mineralize

Product Prow

60W/120W

Rated Flow

0.8L/Min or 2L/Min

Supporting Water Pressure

0.1-0.4MPa

Inlet Water Temperature

4-45℃

Nominal Voltage

220V-50Hz

Supporting Water Soure

Municipal Tap Water

Transport Package

Colour Box

Specification

153*446*391mm

Trademark

OEM

Origin

China

HS Code

842121000

Key features

5-Stage RO Filtration: PPF+CTO+RO+T33+Mineralization removes 95%+ impurities, bacteria, and heavy metals.

Smart LED Display: Shows real-time TDS data and filter replacement reminders for easy monitoring.

Silent Booster Pump: Enhances water pressure and ensures quiet operation for home use.

Customizable Colors: Available in white, black, and blue to match various kitchen decors.

Universal 10-inch Filters: Standard 10-inch filters are easy to replace and cost-effective.

Dual Faucet Design: Equipped with dual stainless steel faucets for convenient water access.

Flexible Capacity Options: Available in 100G, 400G, 600G, and 800G models to suit different needs.

Eco-Friendly Filters: Reduces material waste with environmentally friendly filter materials.

Company profile

High Repeat Buyers ChoiceOEM ServicesCustomization from SamplesPrivate Mold

Ningbo Keyinle Technology Co., Ltd

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Ningbo port, shanghai portAverage Response Time: ≤1.97h

AI-Powered supplier vetting

SummaryThe supplier describes itself as a water-purification equipment manufacturer with 15 years of industry experience and an integrated chain covering R&D, injection molding, assembly, mass production, sales, and after-sales service. It reports strong customization capabilities, including product-function development, packaging, logos, and solutions tailored to water conditions and usage scenarios. The supplier claims stable quality and on-time delivery, with stated lead times of within 15 workdays off-season and one month during peak season. However, it began exporting only one year ago, has no overseas agents, branches, warehouses, showrooms, or offline trade-show participation, and has no valid manufacturing-capacity contract with related subcontractors. Financial credibility cannot be established because the provided financial figures are zero. Certification, documented after-sales performance, and customer cases are not sufficiently evidenced.

Supplier typeThe supplier identifies itself as a professional manufacturing factory specializing in water purifiers, with business activities covering separation and purification equipment, household appliances, hardware products, and related sales and services. Its stated 15-year industry experience and integrated manufacturing chain support classification as a manufacturer rather than only a trading intermediary.

Financial creditThe provided financial record for 2024 lists operating revenue, operating cost, and gross profit as zero. This does not provide evidence of financial strength or operating credibility and raises a clear concern about the reliability or completeness of the submitted financial information.

R&D capabilityThe supplier states that it independently develops customized water-purification products and can modify product styles and functions according to water quality, usage scenarios, and customer needs. It also reports R&D capability, but no SDK is available; the evidence supports product-development capability, though not software integration capability.

Production capacityThe supplier claims an integrated chain covering injection molding, assembly, mass production, and after-sales service, and reports in-stock capacity and lead times of within 15 workdays off-season and one month during peak season. However, finished products are checked by packing staff, the service-capability procedures have no records, and there is no valid manufacturing-capacity contract with related subcontractors, so production strength is supported but operational controls have notable gaps.

Customization capabilityCustomization is identified as a core advantage, supported by a professional team and mature capabilities. The supplier offers logo and packaging customization, product-style and functional development, solutions adapted to water conditions and usage scenarios, and multiple service modes including minor, full, design-based, and sample-based customization.

Product Q&A

Q:What are the main products offered?

We offer domestic water purifiers, commercial water purification systems, and industrial water treatment equipment, with customization options for styles and functions.

Q:Can you customize brand logos and packaging?

Yes, we support full-process customization including logo printing and exclusive carton design, subject to minimum order quantity requirements.

Q:What is the production capacity and quality assurance?

We have 15 years of experience, 5 production lines, and an annual output of 150,000 units. All products undergo strict quality inspections before shipment.

Q:How long is the R&D cycle for customized products?

Conventional styles take 7-15 working days, while complex functions take 15-30 working days. Progress is synchronized with customers throughout.

Q:What are the delivery lead times?

In-stock products ship within 3-5 working days after payment. Customized products ship within 3 working days after production and inspection.