Robot Vacuum, Floor Washer, Window Robot & Robotic Pool Cleaner OEM Supplier
Kingbot wet dry vacuum cleaner factory

KINGBOT FACTORY · SHENZHEN, CHINA

Wet Dry Vacuum Cleaner Manufacturer

A wet dry vacuum cleaner lives or dies on its water system — seals, tanks, roller recovery. Kingbot builds these machines on dedicated floor-care lines in Shenzhen, with testing built around the failure modes that actually happen in customers' homes.

Dedicated Wet-Dry Lines
100% Final Inspection
CE · RoHS · FCC · MSDS

Why B2B Buyers Look Past the Spec Sheet

Wet dry vacuum cleaners fail in predictable ways — tank seals degrade, roller brushes wear unevenly, suction recovery drops as filters clog. All three trace back to manufacturing decisions: seal tolerances, brush motor quality, ducting design.

A buyer who only compares spec sheets will miss these; a buyer who evaluates the factory behind the spec sheet will not. As a floor washer factory, we publish the details below so you can audit us the way you would any manufacturer — on evidence, not claims. Here is what experienced importers, retail chains and brand owners check before committing to a wet dry vacuum supplier.

Water-System Engineering

The subsystem that decides product lifespan. We own its design — tank tolerances, seal specs, dispensing rates — instead of inheriting them from a catalog.

Dedicated Production Lines

Eight production and packing lines calibrated for floor-care appliances — 60,000 units a month — not shared small-appliance lines where water testing is an afterthought.

Leakage & Suction Testing

Pressurized tank-leakage checks and suction-recovery tests sit on the line itself. A 25-person QC team inspects 100% of units before packing.

Mold Ownership, Fast Fixes

We own the housing molds. When a defect pattern shows up, the fix happens on our floor in weeks — not quarters of emails with a subcontractor.

The M Series: Three Tiers on One Proven Platform

Fewer base models means deeper tooling investment per model and faster OEM customization. Your private-label variant starts from a machine with real production history. All tiers ship with CE, RoHS, FCC and MSDS as standard.

M1.0 entry-level wet dry vacuum cleaner

ENTRY TIER

M1.0 — First Private-Label SKU

Cordless wet-dry floor washing with a dual-tank clean/dirty water system and self-cleaning roller cycle. The proven entry point for brands launching their first floor-care SKU.

See full specifications →
M2.0 wet dry vacuum cleaner with hot-air drying

MID TIER

M2.0 — Mid-Range Retail Position

Adds hot-air drying for the roller brush, upgraded suction recovery and edge-to-edge cleaning. Built for the mid-range shelf where drying performance decides reviews.

See full specifications →
M3.0 premium wet dry vacuum cleaner

PREMIUM TIER

M3.0 — Flagship Private-Label Option

Full-feature floor washing station with smart dirt detection and extended battery runtime. The flagship for brands competing at the top of the category.

See full specifications →

M Series at a Glance

TierDryingCleaning SystemSmart FeaturesBest For
M1.0 EntryAmbient air dryDual-tank, self-cleaning roller—First private-label SKU
M2.0 MidHot-air dryingUpgraded suction recovery, edge-to-edge—Mid-range retail
M3.0 PremiumHot-air dryingFull washing station, extended runtimeDirt detectionFlagship positioning

Detailed specifications for each model are on the wet dry vacuum cleaner category page, alongside application guidance. Configurations outside these three tiers — different battery capacities, localized plug sets, brand-specific housing colors — are handled under our OEM workflow below.

Technology Configurations We Build Around

As a floor washer factory, we configure each program around the subsystems that decide how the machine performs and how long it lasts. Every option below is validated through the same aging and leakage protocols on our line — a configuration is only offered if it has passed.

Roller System

Standard or antibacterial brush rollers, with self-cleaning cycle timing tuned to your market's floor mix.

Water Management

Tank capacities, clean-water dispensing rate, and dirty-water full detection — the hydraulic core of the machine.

Drying

Ambient or hot-air roller drying for odor prevention — the feature that decides repeat-purchase reviews.

Suction Recovery

Motor power tiers matched to the floor-type mix your customers actually clean.

Power

Battery capacities covering 25–45 minute runtime bands, with MSDS documentation for every shipment.

Smart Features

Dirt detection sensors and app connectivity options for premium positioning.

Housing & Branding

Colorways, logo placement and retail-ready finishes — all tooled and finished in-house.

Regional Compliance

Plug, voltage and certification packages configured per target market before production begins.

How a Wet-Dry Machine Moves Through Our Factory

Kingbot operates as a factory in Shenzhen — not a trading company coordinating someone else's production. Our facility runs dedicated lines for floor-care appliances, inside the densest small-appliance supply cluster in China: motors, batteries, PCBs and tooling shops all within a one-hour drive, which keeps lead times predictable even in peak season. Our factory page covers the facility in full.

Every unit passes four QC gates with zero sampling shortcuts. Our inspectors report to the quality manager — not the production supervisor — which is the structural detail that makes "100% inspection" credible instead of decorative.

Incoming material IQC inspection area

GATE 1

Incoming Inspection

Motors, batteries, rollers and tanks checked on arrival. Failed lots return to the supplier.

Roller self-cleaning function test mid-line

GATE 2

Mid-Line Function Test

Each unit powered before housing close: roller, water flow, suction, self-cleaning.

Aging test chamber for reliability validation

GATE 3

Aging & Reliability

Batch samples run continuous duty cycles; tank seals get pressurized leakage checks.

Quality engineer performing final inspection

GATE 4

100% Final Inspection

Every unit inspected before packing, with traceable records per production lot.

The Two Tests That Decide Product Lifespan

Most wet-dry failures are not electronic — they are hydraulic. These two stations exist because we build floor-care machines on dedicated lines; on a shared small-appliance line, neither would have a permanent home.

Pressurized water tank leakage check

The water-tank leakage check pressurizes clean and dirty tanks to catch seal defects — the kind that surface in a customer's kitchen six weeks after delivery, long past the point where a fix is cheap. Every production lot sees this station; it is not a first-article-only exercise.

The suction recovery test verifies the unit actually lifts dirty water off the test surface at its rated rate. A machine that dispenses water without recovering it is a mop with a battery, not a wet dry vacuum cleaner.

If you are comparing us against another wet dry vacuum supplier, ask to see their leakage-test station — its presence or absence tells you more than any certificate PDF. Our quality control system documents the full protocol, and buyer audits are welcome on the factory floor.

Suction recovery performance test at QC station

Private-Label Manufacturing, Not Just Assembly

Most of our wet-dry volume ships under other brands. Because the lines, the tooling and the testing are ours, private-label programs get engineering input — DFM feedback, configuration tuning, packaging design — not just build-to-print assembly. Samples, locked specifications and bulk QC all run through the same four-gate system described above.

Full program workflow: OEM wet dry vacuum cleaner · OEM/ODM services

Certifications, Without the Fine Print Games

Every tier ships with the same documentation baseline — no "standard" vs "export version" split. Certificate copies are available during the evaluation phase on request, and market-specific testing beyond this baseline can be arranged under OEM programs.

  • CE — European conformity, standard on all models
  • RoHS — hazardous substance compliance, standard
  • FCC — US electromagnetic compatibility, standard
  • MSDS — battery transport documentation, standard
  • ETL / UL — on request for North American retail programs, not bundled by default

Export Packaging Built for the Journey

A wet dry vacuum cleaner travels thousands of kilometers before it reaches a customer's home. Cartons are drop-tested, private-label ready with your branding and multilingual manuals, and every shipment carries MSDS battery documentation. Detailed carton data, mixed-container planning and reorder logistics live on our wholesale wet dry vacuum cleaners page.

Neutral master carton for wet dry vacuum cleaner export with handling marks

Who We Build For

Different buyers need different things from a China manufacturer. Brand owners care about finish quality and packaging; distributors care about volume pricing and spare parts; retail chains care about compliance paperwork; e-commerce sellers care about speed. Our programs reflect that.

Our trial-order policy starts at 500 units — enough to validate a new SKU in market without committing to container volumes. If you are weighing factory-direct against trading-company sourcing, our factory overview lays out the trade-offs across cost, QC depth and accountability.

Brand Owners

Full private-label programs — custom housing colors, logo placement, retail packaging, multilingual manuals.

Importers & Distributors

Volume pricing tiers, regional exclusivity discussions, spare-parts programs.

Retail Chains

Compliance documentation packages, ETL/UL on request, shelf-ready packaging.

E-commerce Sellers

500-unit trial orders, fast sample turnaround, listing-ready product assets.

Wet dry vacuum cleaner with hot-air drying for private label programs Warehouse pallets of wholesale wet dry vacuum cleaners ready for shipment

Factory Audit Checklist: 8 Ways to Vet a Wet-Dry Manufacturer

Run any candidate factory through these eight checks before you commit. We publish ours so you can hold us to the same standard — on-site or video audits welcome.

QC reporting line. Inspectors must answer to the quality manager — not the production supervisor. Ask to see the org chart.
Dedicated floor-care lines. Wet-dry machines need water-testing stations on the line — shared small-appliance lines don't have them.
Leakage + suction stations. Pressurized tank checks and suction-recovery tests on every lot — not first-article only.
Aging-test protocols. Documented life-test cycles for motors, batteries and seals — ask for the test records.
Incoming material QC. IQC records for motors, batteries and brush rollers — defects caught before assembly.
Lot traceability. Component-to-carton batch tracking, so a field issue can be traced to its production lot.
Certificate copies pre-PO. CE, RoHS, FCC and MSDS documentation available during evaluation — not after payment.
Engineering input. DFM feedback and configuration tuning — not build-to-print assembly only.

From Our Floor

Production lines, testing stations and packing operations — photographed on site, not rendered. Every image below comes from our Shenzhen facility or from real product testing.

Assembly and packing station
Packing station
Injection mold warehouse
Mold warehouse
Wet dry floor cleaner brush head detail
Brush head detail
Cleaning appliance quality control
QC inspection
Dual-tank wet dry vacuum cleaner
Dual-tank system
Wet dry vacuum cleaner picking up pet hair
Cleaning performance
Edge-to-edge floor washer cleaning head
Edge-to-edge design
Kingbot factory building exterior in Shenzhen
Factory building

Watch the Line Run

Photographs show stations; video shows rhythm — the pace of the assembly line, the testing sequence, the packing operation. What you see here is the same workflow every bulk order goes through, from the first unit to the last carton.

Common Questions From Buyers

Are you a factory or a trading company?
A factory. Our Shenzhen facility runs dedicated floor-care production lines, and our QC team covers everything from incoming materials to 100% final inspection. Our Hong Kong branch handles international transactions.
What is the minimum order quantity for wet dry vacuum cleaners?
500 units — for wholesale orders and for OEM programs with custom branding alike.
How long does an OEM project take?
Sample confirmation including tooling adjustments runs about 50 days; bulk production about 45 days from approved pre-production sample. Exact timelines are confirmed per project.
Which certifications come standard?
CE, RoHS, FCC and MSDS on every tier. ETL/UL and other market-specific certifications are arranged on request under OEM programs.
What can be customized for my brand?
Logo, housing colors, plug and voltage localization, retail packaging, multilingual manuals and battery configurations — all handled in-house.
Do you really inspect every unit?
Yes — 100% final inspection before packing, with traceable lot records. Our 25-person QC team reports to the quality manager, not production.
Can I visit or audit the factory?
Yes. Buyer audits and third-party inspections are welcome at our Shenzhen facility — contact us to schedule a walkthrough.
Do you make other cleaning machines?
Yes — robot vacuums, window cleaning robots and robotic pool cleaners alongside the wet-dry range. See the full product overview.

Send Your Requirements to the Factory

Tell us your target market, volume range and customization needs. Factory staff — not intermediaries — will respond with a capability profile and quotation.

Email

helen@king-bots.com

Phone / WhatsApp

+86 18680681063

Factory

Shenzhen, China · Hong Kong branch