RO Filter Reverse Osmosis Water Filtration System Water Purifier 7 Stages
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Product Highlights
- 7-Stage RO Filtration: Semi-permeable membrane removes minerals and dissolved solids for pure water.
- 3-Year Warranty: Comprehensive 3-year warranty coverage for peace of mind.
- CE Certified: Product holds CE certification ensuring safety and quality standards.
- Industrial Application: Designed for industrial use with 380V voltage support.
- OEM/ODM Support: Full customization options including samples, designs, and flexible adjustments.
- 100% Inspection: Every unit undergoes visual and functional inspection before shipping.
- Global Expertise: Trusted by 38,000+ customers with 30+ years of innovation heritage.
- Flexible Payment: Supports LC, T/T, D/P, PayPal, and Western Union for convenience.
Product Attributes
- Customization
- Available
- After-sales Service
- 5 Year
- Warranty
- 3 Year
- Model NO.
- QDEVURO004
- Certification
- CE
- Application
- Industry
- Voltage
- 380V
- Disinfection Method
- Chlorine Dioxide
- Transport Package
- Standard Packing
- Specification
- 6000X4000x2000mm
- Trademark
- QDEVU
- Origin
- China
- HS Code
- 8421219900
- Production Capacity
- 500 Sets/Yeatrs
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of RO Filter Reverse Osmosis Water Filtration System Water Purifier 7 Stages
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Product Description
Reverse Osmosis (RO) Systems / Nanofiltration Systems
Semi-permeable membrane to remove minerals & dissolved solids from water
Reverse osmosis (RO) and Nanofiltration (NF) membranes are commonly used as a filtration method to remove many types of dissolved solids (large molecules and ions) from solutions by applying pressure to the solution when it is on one side of a selective membrane. The result is that the solute is retained on the pressurized side of the membrane and the pure solvent is allowed to pass to the other side.










QDEVU is a leading provider of water and wastewater treatment solutions, offering a broad portfolio of products, services and expertise to support industrial, municipal and recreational customers.
Water plays an instrumental role in so many aspects of daily life beyond drinking water. QDEVU provides solutions for customers with critical water needs for energy generation, food & beverage safety and production, healthcare, manufacturing and many more. We understand and value the power of water to enhance life and we work to ensure its uninterrupted quantity and quality.
We are the global leader in identifying emerging water concerns. Our entrepreneurial culture empowers us to quickly develop or acquire solutions, allowing our customers to proactively protect their business and end users. Our world-class expertise and ever-expanding portfolio of products has established QDEVU as the trusted advisor to municipal, industrial and recreational customers worldwide.
QDEVU and our brands have over a 30-year heritage of innovation. We help more than 38,000 customers solve water challenges at over 200,000 installations worldwide and operate in more than 150 locations across ten countries. Every day, millions of people and thousands of companies rely on us as their trusted advisor to help them meet

About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR255769". Items marked "" are certified.
Company Profile
Qingdao EVU Environmental and Engineering Equipment Co., Ltd. is of scientific research design, equipment manufacture, installation, commissioning and training services as one integrated technology-oriented enterprises in water treatment industry. It is holding by Qingdao Spark Textile Machine Co., Ltd which is a national Spark Industrial Group, national second-level and large-scale comprehensive enterprise group in China.
We use the advanced technology and equipment over the world. Our main productions: Integration Sewage Wastewater Treatment Plant, Printing and Dyeing Wastewater Treatment Equipment, Car Washing Wastewater Treatment Equipment, MBR Wastewater Treatment Equipment, Cutting Fluid Sewage Treatment Equipment, Pickling Phosphate Wastewater Treatment Plant, Electroplating Wastewater Treatment Equipment, Sea water desalination system, CAF, DAF, Screw Sludge Dewatering Machine, automatic soluble drug dosing machine, RO reverse osmosis pure water machine, mud scraper, sediment scraper, mechanical grill, the micro bubble generator, chlorine dioxide generator, USAB anaerobic reactor, membrane bioreactor, mechanical filter, water purifier, the catering industry oil-water separator, micro porous aerator, biological stuffing, aluminum polychlorid, polyscrylamide, decolorizing agent, CLO2 liquid disinfectant, activated carbon, manganese filtration and so on series products.
We based on "technological development, pollution remediation, wholeheartedly for customer services". We hope to cooperate with all customers from all over the world and build a better world together.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- No. 84, Huangtai North Road, Wangtai Town, Huangdao West Cost New Area, Qingdao, Shandong, China
-
Plant Area
- 3600 square meters
-
Number of Employees
- 53
-
Registered Capital
- 10,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month -
Nearest Port
- Qingdao Port
-
Minimum Order Quantity
- 1 pc
-
Supply Chain Partners
- 15
Our Production Capability & Technical Expertise
-
Main Products
- Sewage Treatment Plant, Water Purifier, Water Filter, Daf, Sludge Dewatering Machine, Electrical Flotation, Water Treatment Equipment, Seawater Desalination, Reverse Osmosis, RO Purifier
-
Production Lines
- 1
-
Production Machines
- Bending Machine, Laser Cutting Machine, laser Welding Machine, Welding Machine, Shearing Machine, Plasma cutting machine, Rolling Machine
-
QA/QC inspectors
- 2 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Minor Customization, Full Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 4 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 1999-05-19
-
Export Year
- 26 Years
-
Main Markets
- South America, Europe, Southeast Asia/ Mideast
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 3
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO45001:2018
-
Product Certification
- CE
FAQ
- What is the warranty period for this system?
- The product comes with a 3-year warranty.
- What certifications does the water purifier have?
- The system is CE certified.
- Is customization available for this RO system?
- Yes, we offer OEM/ODM services including customization from samples, designs, minor adjustments, and full customization.
- What is the minimum order quantity?
- The minimum order quantity is 1 piece.
- What are the payment terms?
- We accept LC, T/T, D/P, PayPal, and Western Union.
- What is the lead time for production?
- The average lead time is one month for both peak and off-season periods.
- What is the voltage requirement for this system?
- The system operates at 380V.
- How is quality control handled for finished products?
- We perform 100% inspection, including visual and functional checks, with instructions uniformly followed by 2 QA/QC inspectors.
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