Custom-Designed Water Treatment Plant for Specific RO Water Quality Needs
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Product Highlights
- Customized Solutions: Full customization from samples and designs with flexible options for specific RO water quality needs.
- High Salt Rejection: Achieves up to 99.8% desalination rate using DuPont FilmTec membranes for consistent water quality.
- ISO 9001 Certified: Manufactured under ISO 9001 quality management system with 100% finished product inspection.
- 26 Years Experience: Over two decades of professional manufacturing since 1997 with independent R&D patents.
- 12-18 Months Warranty: Comprehensive warranty coverage with regular tracking and prompt problem-solving support.
- Automated PLC Control: One-click operation with auto backwashing and fault alarms for efficient management.
- Wide Capacity Range: Scalable capacity from 50 to 50,000 gallons to suit various industrial and commercial needs.
Product Attributes
- Customization
- Available
- Certification
- ISO9001
- Salt Rejection Rate
- 99.5%
- Model NO.
- WTRO
- Application
- Industry
- Capacity
- 50-50000gallon
- Usage
- Water Desalination and Purification
- Function
- Desalting, Removal of Impurities
- Principle
- Filtration and Reverse Osmosis
- Force
- Pressure Difference
- Recovery Rate
- (Permeate Flow / Feed Flow) X 100%
- Material
- UPVC + Stainless Steel/FRP
- Transport Package
- Wooden Case
- Specification
- Reverse osmosis (1-20t/h)
- Trademark
- Wentong
- Origin
- China
- HS Code
- 8421999090
- Production Capacity
- 500pieces/Year
- Package Size
- 600.00cm * 230.00cm * 260.00cm
- Package Gross Weight
- 2000.000kg
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.
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Product Description

Product Description
Wentong Water Treatment systems are professional water purification solutions designed for critical production scenarios across the food & beverage, pharmaceutical, electroplating, and agricultural sectors etc. Our advantages lie in high efficiency, stable performance, customizability, and compliance with global standards. Popular models include the UF-RO Integrated Purification System and Pharmaceutical Grade Pure Water Production Line.
Company Strengths
2.High-quality Products: ISO 9001 quality management system certification;Have a sanitary wading approval for drinking water; Each product must be tested and run by department of quality before delivery.
3.Cost-effective Price: We have own factory, direct sales, saving the cost of middlemen; Self-produced stainless-steel products, accessories provided by cooperating suppliers for decades, Low cost, first-hand supply, in a direct way.
4.Perfect After-sales Service System: Complete customer files, Regular tracking the equipment operation; Respond promptly and solve problems; Guiding installation and free training; 12-18 months of warranty.
5.Customer Project Witness: We finish over 200 projects in different countries, the atisfaction rate over 99.5%
6.Attend to various exhibitions: We focus on famous water treatment exhibition often attend to them with the purchase of getting the new technology in this industry.
Size | According to requirements |
Configuration | Raw Water Pump Multi media Filter Filter Medium Activated Carbon Filter Filter Medium Cartridge Filter Fliter Element Dosing Device Dosing Pump Dosing Tank First stage RO Unit High Press Pump RO Membrane Membrane Housing Pressure Gauge Flow Meter Auto Wash Valve Regulating valve Second stage RO Unit High Press Pump RO Membrane Membrane Housing Pressure Gauge Flow Meter Auto Wash Valve Regulating valve CIP System CIP Tank CIP Pump Frame For Stage I,Il RO unit Control panel PLC Level Switch High & Low Pressure Switch Conductivity Meter PH meterElectrical components Wires & Cable |
Material | UPVC + Stainless steel,FRP |
Function | Purified water equipment is equipment used to produce pure water to meet the needs of various industriesItis the most common water treatment equipment, widely used in food, chemical, electronics, medicine andother industries. |

Model | Flow rate (L/h) | Power(KW) | Water use efficiency | RO membrane | Dimension |
L X W X H(mm) | |||||
RO-500L | 500 | 1.5 | ≥ 50% | 4040 | 1650X630X1800 |
RO-750L | 750 | 2.5 | ≥ 50% | 4040 | 1870X630X1850 |
RO-1000L | 1000 | 2.5 | ≥ 50% | 4040 | 1870X650X1850 |
RO-2000L | 2000 | 3.5 | ≥ 50% | 4040 | 2440X650X1750 |
RO-3000L | 3000 | 4 | ≥ 50% | 4040 | 2440X620X1850 |
RO-5000L | 5000 | 7.5 | ≥ 50% | 8040 | 2000X900X1800 |
RO-6000L | 6000 | 9.5 | ≥ 60% | 8040 | 3000X900X1800 |
RO-8000L | 8000 | 13.5 | ≥ 60% | 8040 | 3000×900×1800 |
RO-9000L | 9000 | 14 | ≥ 60% | 8040 | 4000X900X1800 |
RO-10T | 10T/H | 19 | ≥ 60% | 8040 | 3000X900X1800 |
RO-12T | 12T/H | 19.5 | ≥ 60% | 8040 | 4000X900X1800 |
RO-15T | 15T/H | 23 | ≥ 60% | 8040 | 4000X900X1950 |
RO-20T | 20T/H | 28 | ≥ 60% | 8040 | 5000X900X1950 |
RO-30T | 30T/H | 55 | ≥ 60% | 8040 | 7000X900X1950 |



Parameter term | index value | test condition |
effective area | 400 ft² (37 m²) | - |
Inlet grid thickness | 28 mil | - |
Standard water yield | 7,500 GPD(28 m³/d)≈ 1.17 m³/h | 32,000 ppm NaCl, 5 ppm boron, 80 psi(5.5 MPa) inlet pressure, 77℉(25℃), pH 8.8, and the recovery rate was 15%. |
Stable desalination rate | ≥99.8% | Standard test conditions |
Minimum desalination rate | ≥99.65% | Standard test conditions |
Stable boron removal rate | ≥92.0% | Standard test conditions |
PH tolerance range | 1~13 (running)/2~11 (continuous) | - |
Lonic solutes: Sodium chloride (NaCl) ≥99.7%; calcium chloride (CaCl2) ≥99.8%; magnesium sulfate (MgSO4) ≥99.9%.
Small organic molecules: Methanol ≥25%; ethanol ≥70%; isopropanol ≥90%.
Weak acids: Lactic acid (pH=5) ≥99%, with further improvement under high pH due to enhanced dissociation.
Heavy metals & contaminants: Trace chlorinated pesticides ≥99%; sodium cyanide (NaCN, pH=11) ≥97%.
Broad Operating Adaptability:It maintains long-term high performance without requiring oxidative post-treatment, adapts to a wide range of feed water pH levels, and is compatible with chemical cleaning. Its solute removal follows a clear pattern: higher ionic valence, larger molecular weight, and stronger polarity correspond to higher rejection rates, making it suitable for wastewater treatment applications in industries such as food, papermaking, and metallurgy.
Optimized System Investment:Fully automated precision manufacturing technology enables shorter and more numerous membrane sheets, which reduces fouling impact and improves membrane area utilization. This allows for optimized operating costs at lower energy consumption, or increased water production at lower flux rates.









A: We specialize in a wide range of water treatment systems, including Reverse Osmosis (RO) systems, Electrodeionization (EDI) systems, Ultrafiltration (UF) systems, Sewage Treatment Equipment, and more. We have been in the industry for over 27 years, offering customized solutions for various applications.
2.Q: What information do you need from me before I can place an order?
A: To provide you with an accurate quotation and system design, we typically need the following details:
1.Raw water quality: What is your water source (e.g., tap water, well water, surface water)? Do you have a water analysis report?
2.Capacity requirement: How much purified water do you need per hour (e.g., m³/h)?
3.Application: What will the treated water be used for (e.g., drinking water, bottled water, pharmaceutical use, industrial process, etc.)?
3.Q: How long is your delivery time?
A: Our standard delivery time is around 30 days after order confirmation. However, this may vary depending on the complexity of your project and customization requirements. We will provide a more precise timeline once we have finalized your system specifications.
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR263109". Items marked "" are certified.
Company Profile
Wenzhou Hengtong Water Treatment Co., Ltd. is a professional manufacturer of all sots of water treatment equipment as well as an engineering company that integrate technology research, Development, design, production, installation and personal training into all-in-one service.
Gathering engineer technician of abundant experience, we will do our best to serve for food, dairy, beverage, biology and pharmacy, boiler, brewing, electronic, electric appliance, electroplate, leather, printing and dying, painting and dying, paint, chemical industry, surface treatment etc. Supply water treatment production line and handing key project with different requirement such as drinking pure water, mineral water, purification water, intenerating water and all other industrial equipment of de-ion water.
Product character is the key of the company life, high quality, circumspect service is our aim. Closely we pay attention to the water treatment industrial development,
Combined with valuable experience, our water treatment plant is on the top of the market. We have ISO 9001: 2008 international quality system and CE certification, also we have <Sanitation License Of Water Treatment Product Which Is Issued By Ministry Of Public Healthy>, (<W. S. Z(2003) No. 0098>). Our customers are all over the world such as USA, Germany, Japan, Guatemala, Venezuela, Colombia, Peru,
Argentina, Uzbekistan, Kazakstan, Saudi, Arabia, Iraq, Egypt, Cyprus, Bangladesh, India,
Mongolia, Thailand, Vietnam, Philippines, Indonesia, Ethiopia, Ghana, Algeria, Nigeria and other countries.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- No. 922 Jinhai 2nd Venue, Airport New Area, Yongxing Sreet Long Wan District, Wenzhou, Zhejiang
-
Plant Area
- 10863 square meters
-
Number of Employees
- 33
-
Registered Capital
- 28,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
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
- Ningbo Port
-
Minimum Order Quantity
- 1 Set
-
Supply Chain Partners
- 50
Our Production Capability & Technical Expertise
-
Main Products
- Water Treatment System, Water Filter, Pressure Vessel, Filter Housing
-
Production Lines
- 3
-
Production Machines
- CNC Plasma Cutting Machine, Pipe Polishing Machine, Horizontal Band Saw Machine, Pipe End Forming Machine, Tank Circumferential Welding Machine, Longitudinal Seam Welding Machine, Conventional Lathe, Radial Drilling Machine
-
QA/QC inspectors
- 2 people
-
Inspection Type for Finished Products
- 100% inspection(Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 1997-04-29
-
Export Year
- 26 Years
-
Main Markets
- Domestic
-
Repeat Buyers Choice
- 10%~30%
-
Number of Foreign Trading Staff
- 3
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- What types of water treatment products do you provide?
- We specialize in a wide range of water treatment systems, including Reverse Osmosis (RO) systems, Electrodeionization (EDI) systems, Ultrafiltration (UF) systems, Sewage Treatment Equipment, and more. We have been in the industry for over 27 years, offering customized solutions for various applications.
- How long is your delivery time?
- Our standard delivery time is around 30 days after order confirmation. However, this may vary depending on the complexity of your project and customization requirements. We will provide a more precise timeline once we have finalized your system specifications.
- What is the warranty period for the equipment?
- We provide a warranty period of 12 to 18 months, which includes complete customer files, regular tracking of equipment operation, and prompt problem-solving support.
- Can the system be customized for specific water quality needs?
- Yes, we offer full customization from samples and designs, including minor and flexible customization options to meet specific RO water quality requirements.
- What certifications does the company hold?
- We hold ISO 9001 quality management system certification and have sanitary wading approval for drinking water, ensuring compliance with global standards.
- What is the minimum order quantity?
- The minimum order quantity is 1 set.
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