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Premium 20-Inch RO Water Filter Cartridge Housing for Membranes
US$4.35
500-4,999 Pieces
US$4.15
5,000-29,999 Pieces
US$3.65
30,000+ Pieces
Sample price:US$10.00/piece.Request sample
Product profile
Customization
AvailableMaterial
PPMedium Material
Synthetic FiberModel NO.
RO Water PurifierCartridge Filter
Non-Woven Polyester FiberFilter Bag Filter
The Filter TypeType
Vacuum Cleaner Paper BagUsage
Dust Filter, Liquid Filter, Air FilterFiltration Grade
Medium FilterFilter Bag Sectional Shape
FlatbagFilter Bag Environment
TemperatureCartridge Installation
Vertical LiftingHigh Quality 11 Inch Pure Food Grade PP
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Clear Transparent Plastic Water Filter Housing10 Inch Whole House Transparent Plastic
Classic Reverse Osmosis System with Water Filter HFast Dispatch Factory Supply Water Filte
Blue Housing for Water FilterTransport Package
Individual Box PackingSpecification
CustomTrademark
HainaOrigin
Hangzhou, ChinaHS Code
84212110Production Capacity
50000PCS/MonthKey features
17 Years Industry Experience: 17 years engaged in R&D, manufacturing and service of RO and nanofiltration membrane elements.
12-Month Warranty Coverage: All products covered by 12-month warranty with factory quality inspection reports.
High Desalination Technology: Unique polyamide coating process for superior performance in high salt water purification.
OEM and ODM Services: Professional manufacturer offering customized OEM and ODM services for water treatment.
Versatile Filtration Applications: Suitable for dust, liquid, and air filtration with various cartridge and bag options.
Stable Rejection Rates: Membrane models offer stable rejection rates ranging from 95% to 99.5%.
Global Export Capability: Products exported to North America, Europe, Southeast Asia, and other regions since 2005.
Company profile

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2005-04-10 CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤7.03h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryHangzhou Haina Environmental Protection Tech Co., Ltd. is a China-based manufacturer/factory specializing in water-treatment products, including RO membranes, RO systems, desalination, wastewater treatment equipment, filter cartridges, and membrane shells. It reports BSCI, ISO 9001, and ISO 14001 certifications, more than 10 production lines, 6–10 R&D engineers, and 6–10 quality-control staff. The supplier has exported since 2005, with exports accounting for 41%–50% of total sales and distribution partly through agents. Its stated capabilities include technical advice, customer-specific technical solutions, standardized management, and automated equipment improvements. However, the provided information does not establish documented after-sales performance, customer cases, or independently verifiable innovation outcomes.
Supplier typeThe supplier is identified as a manufacturer/factory and limited company located in Yuhang District, Hangzhou, Zhejiang, China. Its associated industry is manufacturing, and its stated business scope covers industrial equipment and processing machinery, including water-treatment products.
CertificationsThe supplier reports holding BSCI, ISO 9001, and ISO 14001 management-system certifications. These certifications provide explicit evidence of formal social-compliance, quality-management, and environmental-management systems, although certificate validity and scope are not provided.
R&D capabilityThe supplier reports 6–10 R&D engineers and states that it has pursued innovation, standardized management, and automated equipment transformation since 2013. These are explicit capability indicators, but no specific patented technologies, new products, or measurable innovation results are provided.
Production capacityThe supplier operates more than 10 production lines, employs 6–10 quality-control staff, and reports standardized management and automated equipment improvements. Its factory status and production infrastructure support substantial manufacturing capability, although actual capacity utilization and lead-time performance are not stated.
Customization capabilityThe supplier explicitly states that its technical team provides targeted professional advice and technical solutions for each customer, indicating an ability to address customer-specific technical requirements. The slices do not specify customization scope, engineering workflow, minimum order conditions, or examples of completed customized products.
Product Q&A
Q:Is your company a manufacturer or trading company?
A:
We are a manufacturer with our own factory and cooperate with other factories using our technology. Haiana has an 18-year background in the reverse osmosis membrane industry with independent R&D personnel and engineering, mastering core technology of high salt water purification.
Q:What is your company's size and employee count?
A:
Haina headquarters has more than ten people, 142 workers in the factory and 16 office workers. We are still a small company, and our goal is not to be the biggest, but to be stronger. In the segmented high desalination market, the product quality and service are maximized.
Q:What are the technical advantages of your products?
A:
HAINA technical advantage lies in the high desalination technology, and the process of coating polyamide is different from its counterparts. Therefore, in the use of household membranes, according to market feedback, it can be applied to 3,000-6,000 ppm water quality. Seawater membrane can be applied in the environment of 30,000-40,000ppm, and the cost advantage is very obvious.
Q:What is the guarantee for quality problems?
A:
At present, we maintain zero customer complaints on 3G and 4G products. Please note that the first item of our company's values: Do not let customers count one copper coin. If there is a quality problem, we will guarantee the replacement and be responsible for the freight on the way according to a reasonable quality problem verification process.
Q:What is the Minimum Order Quantity (MOQ)?
A:
Our minimum order quantity varies from model to model. There are also differences in OEM orders. The minimum order for household membrane is 100 (two boxes), and the minimum for industrial membrane is five pieces.
Send Inquiry
*To:
Hangzhou Haina Environmental Protection Tech Co., Ltd.
Hangzhou Haina Environmental Protection Tech Co., Ltd.*Content:
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