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High Flow 3213-1000 Reverse Osmosis Membrane Spiral Wound RO Filter for Pure Water System
US$20.10
100-499 Pieces
US$19.40
500-999 Pieces
US$18.70
1,000-9,999 Pieces
US$18.00
10,000+ Pieces
Product specifications
Color
Sample price:US$20.10/piece.Request sample
Product profile
Customization
AvailableMembrane Type
SpiralType
ROModel NO.
Tw-3213-1000Model
Tw-3213-1000Application
Hotel, Commercial, HouseholdColor
Blue or CustomizedSize
3.07*13.11 InchKeyword
Domestic RO MembraneFlow Rate
1000GDP (157.71L/H)Usage
RO PurifierMaterial
PolyamidesFunction
Reverse Osmosis Purifier PartWater Temperature
25℃Test Pressure Psi(Bar)
100 Psi (6.9 Bar)Stable Salt Rejection Rate
97%pH Value
7.5 to 8Recovery Rate
35%Influent Concentration
500 PpmTransport Package
25 Pieces/CartonSpecification
78*333 mmTrademark
WalchinOrigin
ChongqingHS Code
8421991000Production Capacity
500000 Pieces/YearKey features
High Salt Rejection Rate: Achieves 97% stable salt rejection for superior water purification.
High Flow Capacity: Delivers 1000 GPD (157.71 L/H) permeate flow rate for efficient output.
Customizable Color: Available in Blue or fully customized color options to meet needs.
Universal Household Design: Spiral wound composite membrane designed for home and commercial use.
Low Pressure Operation: Operates efficiently at 100 PSI (6.9 Bar) for energy savings.
Superior Desalination: Effectively removes TOC, SiO2, and dissolved salts for better taste.
Quality Assurance: Pre-production samples and final inspections guaranteed before shipment.
Long Lifespan: Typical service life of 2-3 years with proper maintenance and cleaning.
Company profile
CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedNearest Port: Shanghai PortAverage Response Time: ≤15h CertifiedTerms of Payment: LC, D/P, T/T, etc.
AI-Powered supplier vetting
SummaryThe supplier is identified as a trading company located in Chongqing, with four production lines and stated RO membrane sheet output of 15,000,000 square meters. It supports sample-based, design-based, minor, and full customization and offers ODM services. Export sales account for 31%–40% of total sales, with export terms including FOB, CIF, CFR, and EXW. However, evidence shows weaknesses in documented service execution: procedures for supplier assessment, corrective actions, and complaint handling exist without written records. The supplier has no overseas warehouse, showroom, agent or branch, or offline trade-show participation. Innovation evidence is limited because no new products were reported in the past year and no SDK is available. Quality-control staffing and staff experience are either unavailable or reported as zero. Financial information provided for recent periods consists of zero values, making financial credibility difficult to establish.
Supplier typeThe supplier is explicitly classified as a trading company, located in Chongqing’s Kaizhou District, and associated with the scientific research and technical services industry. This establishes its registered business type but does not by itself confirm whether it owns or directly operates manufacturing facilities.
After-Sales capabilityThe supplier has procedures for service assessment, corrective and preventive actions, and complaint handling, but no written records are maintained for these processes. It has no overseas warehouse, showroom, overseas agent or branch, and offers services in zero overseas countries, limiting demonstrated international after-sales infrastructure.
Financial creditThe supplied financial records report zero operating revenue, operating cost, gross profit, operating profit, gross margin, and current ratio for the stated recent periods. These figures provide no positive evidence of operating financial strength and create a material basis for concern about financial credibility.
R&D capabilityThe supplier offers ODM services and customization through samples and designs, but reports no new products during the past year, no available SDK, and only one year of total R&D engineer experience. This indicates some design-related capability but limited demonstrated recent innovation.
Production capacityThe supplier reports four production lines and annual RO membrane sheet output of 15,000,000 square meters, with off-season lead time within 15 working days and peak-season fulfillment of one month. However, it does not conduct continuous quantity reconciliation for every batch or mass production, and quality-control staffing is unavailable, creating a production-control weakness.
Customization capabilityThe supplier explicitly supports customization from samples, full customization, customization from designs, and minor customization, and also provides ODM services. These stated capabilities directly support a broad range of customer-specific product development requirements.
Product Q&A
Q:What type of RO membrane is available in your company?
A:
In general, Aotun has Household/Commercial RO membrane and Industrial RO membrane for optional.
Q:What is Salt Rejection Ratio?
A:
The Salt rejection describes the quality of salt removed from the Reverse Osmosis feed water stream as a percentage. It's one of the key element of the RO membrane quality. Furthermore, other essential elements such as performance durability, stability, application scope in different region, and permeate flow rate at the same pressure will all be the important factors to judge the quality of the membrane.
Q:How often do RO membranes need to be replaced?
A:
RO membranes typically last 2-3 years, but lifespan depends on water quality and maintenance. Regular cleaning extends membrane life.
Q:Is the Salt reation of the RO membrane the higher the better?
A:
This will be depending on the feed water quality, if the feed water quality is good, even a 90% salt rejection membrane will be workable, if the feed water is with bad quality and with brackish water environment, a higher salt rejection above 95% is an ideal choice. For any membrane that meet the local drinking water standard will be a good membrane.
Q:How can we guarantee quality?
A:
Always a pre-production sample before mass production; Always final Inspection before shipment.
Send Inquiry
*To:
Chongqing Aotong Environmental Protection Technology Co., Ltd.
Chongqing Aotong Environmental Protection Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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