Company Profile

Company Profile

Dongguan Ruizhi Air Purification Technology Co., Ltd. was founded in 2018 with a registered capital of 1 million yuan, a plant area of 8800 square meters, and a total investment of 5 million yuan. It is engaged in the research, development, design, and manufacturing of air filtration products and purification equipment for air purification and filtration, automotive indoor circulation system air filtration, industrial filters and purification equipment, moxibustion smoke filters, chemical filters (molecular filters), and dust filtration and recovery An air filtration system solution integrator integrating sales and installation services.

The company was established in August 2018, and invited senior professional research and development teams, management teams with excellent management skills and rich production experience, and senior sales elites in the purification industry to create a core team with the ability

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2018

Company Establishment Date

8800

nt area: 8800 square meters

200

200 professional and technical personnel

800

Trust from over 800 customers

99 .55%

installation accuracy

2800

Users choose together

Product Center

Certification & Patent

INDUSTRY ACHIEVEMENTS
CERTIFICATIONS
2024

In 2024, it will be awarded the preferred member unit of the fuse industry and the top 10 brands of China's fuse industry

2021

In 2021, the new energy photovoltaic fuse obtained TUV mark (Europe) safety certification.

2019

In 2019, it won the top 10 brands and products in the fuse industry, and obtained UL (United States) cULus (Canada) safety certification

2018

In 2018, the product obtained CQC (China) TUV mar (Europe) safety certification, CE (Europe) product certification and ROHS REACH EU directive report

Latest News

Integrated air filtration system solution provider
2026.10.20
Air Purifier Filter Wholesale: Plan From the Shelf Date
A distributor guide to air purifier filter wholesale: planning from the shelf date, covering shapes rather than brands, MOQ trade-offs and batch consistency.
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2026.10.19
Compatible Air Purifier Filter: Why Geometry Decides Fit
A compatible air purifier filter fails on geometry before media: flat stacks, 360-degree drums, square cartridges and the first-article checks that prevent returns.
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2026.10.16
When to Change an Air Purifier Filter: Signals That Count
A practical way to decide when to change an air purifier filter: what the indicator light really counts, the two clocks inside one cartridge, and four tests you can run at home.
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2026.10.15
Air Purifier Replacement Filter: What Actually Fits
How to buy an air purifier replacement filter that performs like the original: layer stack, carbon weight, the four fit dimensions and the signs a filter is wrong.
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2026.10.14
Aluminum Frame High Efficiency Filter: Build Types Compared
An aluminum frame high efficiency filter is chosen by build type and seal quality, not by name: folding, mother-child and bag bodies, gasket integrity and change paths.
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2026.10.13
Tablet Primary Filter: Frame Strategy and Change-Outs
A tablet primary filter with a mother frame shifts cost from media to maintenance. Frame depth, humidity limits, G3 vs G4 and pressure-based change-outs.
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2026.10.12
Paper Frame Primary Filter: Where It Works and Fails
When a disposable paperboard G4 panel is the right call, and the moisture, temperature and depth limits that turn it into a bypass path.
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2026.10.09
HVAC Filter Selection: Class, Pressure Drop and Cost
A practical guide to HVAC filter selection: ISO 16890 classes, average pressure drop, housing fit, change-out strategy and the specification mistakes we see on audits.
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2026.10.08
Cleanroom Air Filtration System: Design and Verification
A stage-by-stage guide to cleanroom air filtration system design: ISO classes, HEPA and ULPA selection, airflow, pressure cascade, AMC control and change-out baselines.
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2026.09.18
How to Choose the Right Corrosive Gas Chemical Filter Supplier for Industrial Safety
How to evaluate a corrosive gas chemical filter supplier, covering media technologies, supplier criteria, industry applications and multi-stage filtration design.
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2026.09.21
Chemical Filter for Airport Ventilation Systems: A Complete Guide to Air Quality Management
A complete guide to chemical filtration for airport ventilation, covering gas-phase contaminants, filter technologies, multi-stage architecture and selection criteria.
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2026.09.23
Dust Filter Cartridge: H13 PTFE Filtration for Industrial Dust Collection
A practical guide to dust filter cartridges for industrial dust collection, covering PTFE H13 media, metal mesh support, cartridge vs bag selection and maintenance.
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2026.09.25
Fan Filter Unit (FFU) for Cleanrooms: How EC Motor Design Cuts Energy Costs
A practical guide to specifying a fan filter unit for cleanroom use, covering EC motor energy savings, HEPA/ULPA filter grades and selection criteria.
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2026.09.28
Low Pressure Drop Air Filter: How to Cut HVAC and Cleanroom Energy Costs
A practical guide to low pressure drop air filters: how pressure drop drives HVAC and cleanroom energy costs, what makes a filter low-resistance, how to read ISO 16890, MERV and HEPA ratings, and how multi-stage design extends terminal filter life.
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