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Domestic Water Purifier RO Systems 50 75 Gpd Reverse Osmosis Membrane
US$2.30
100-499 Pieces
US$2.20
500-999 Pieces
US$2.10
1,000-9,999 Pieces
US$2.00
10,000+ Pieces
Product specifications
Color
Sample price:US$2.30/piece.Request sample
Product profile
Customization
AvailableMembrane Type
SpiralType
ROModel NO.
TW-1812-75Model No.
1812-50Application
Hotel, Commercial, HouseholdColor
Blue or CustomizedSize
1.67*11.74 InchKeyword
Domestic RO MembraneFlow Rate
50GDPUsage
RO PurifierMaterial
PolyamidesFunction
Reverse Osmosis Purifier PartWater Temperature
25℃Test Pressure Psi(Bar)
60 Psi (4.1 Bar)Stable Salt Rejection Rate
98%pH Value
7.5 to 8Recovery Rate
35%Influent Concentration
500 PpmTransport Package
25 Pieces/CartonSpecification
42.5*298 mmTrademark
WalchinOrigin
ChongqingHS Code
8421991000Production Capacity
500000 Pieces/YearKey features
High Salt Rejection: Achieves a stable salt rejection rate of 98% for superior water purification.
Low Pressure Operation: Designed for low-pressure operation to ensure energy efficiency and high water production.
Customizable Color: Color options include Blue or Customized to meet specific aesthetic requirements.
Universal Household Fit: Universal composite membrane elements developed specifically for home use applications.
Effective Contaminant Removal: Excellent performance in removing dissolved salts, TOC, and SiO2 from water.
Improved Water Taste: Engineered to improve the taste of drinking water while ensuring safety.
Proven Manufacturer: Leading enterprise with over 7% annual sales revenue invested in R&D.
Quality Assurance: Guaranteed quality with pre-production samples and final inspection before shipment.
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 types of RO membranes are available?
A:
Aotun offers Household, Commercial, and Industrial RO membranes for optional selection.
Q:What is the salt rejection rate of this membrane?
A:
The TW-1812-50 model features a stable salt rejection rate of 98% under test conditions.
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.
Q:Is higher salt rejection always better?
A:
It depends on feed water quality; higher rejection (>95%) is ideal for poor quality water, while 90% may suffice for good quality water.
Q:How can quality be guaranteed?
A:
We provide pre-production samples before mass production and conduct final inspections 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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