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Household water supply systems with improved performance in the spotlight

New water treatment appliances come with several purification levels, while output of RO and UF systems rises.

China suppliers of household water systems are utilizing upgraded components in the latest releases to boost product performance.


Water softener

This water softener from Cixi Aibote has an inlet water pressure of 0.15 to 0.3Mpa.

Many companies are raising output of filtration systems that have 10 levels of purification, including air, activated carbon and zero-waste RO filters, and UV generators. These represent a step up from earlier units, which have five to eight stages.

The adoption of UF and RO systems has gone up in recent months. New models from Cixi Aibote Enviromental Technologies Industry Co. Ltd combine both types. Such items are suitable for home and office applications, and can be used with municipal tap water supply.

Ningbo Lamo Electric Appliance Co. Ltd is developing RO water purification machines employing several cleaning methods. Products automatically shut down when there is no water or if the reservoir is full. These releases are also CB-certified.

Efforts are being made to raise safety attributes, which are a major concern for the line.

At most companies, units meet CE, UL, GSA, SASO, TÜV, IEL, CB and RoHS standards.


Product gallery



Water purifier

Ningbo Lamo's RO/50D1 model water purifier is equipped with microcomputer controls.

Water supply systems selection

Household water supply systems from China are offered in the water purifier and filter, RO technology and POU machine categories.

Materials play a significant role in determining prices. Plastic, usually ABS and PP, is popular for housings. Imported 304 stainless steel is utilized in select upscale models for better durability and quality.

Mainstream units come with PP or ABS front exterior shells, and cold-rolled steel sides. Some adopt anti-bacterial ABS for all plastic components, while others use stainless steel. PP is also seen in filters, which have a life span of three to six months.

Typical RO machines employ PP cotton, activated carbon and reverse osmosis membranes to clean. The first can catch objects down to 5 microns in diameter, including sediment, rust particles, suspended solids and other macromolecular impurities.

Granular activated carbon absorbs chlorine, odors and organic pollutants, while the compressed form performs purification further. This agent increases oxygen content and improves water taste as well.

The majority of established China suppliers utilize RO membranes from Dow Chemical. These components have a filter pore size of 0.0001μ, and can remove bacteria, viruses, heavy metals, organic pollutants and pesticide residue effectively.

Water filters are made mostly of plastic, ceramic and stainless steel. Material selection is dependent on product segment. The RO and UF configurations are typical, but the former costs 200 percent more and is therefore employed only in high-end models.

Intended mainly for low-end and midrange units, UF types are applied in industries such as surface water clarification and wastewater treatment. They provide good pretreatment for RO systems as filtrate with minimal turbidity can be consistently delivered regardless of feed water quality. Compared with conventional water-treatment technologies, systems require a smaller space and often have less operating outlay.

Further, UF technology is used to remove high molecular-weight substances, colloidal materials, and bacterial, organic and inorganic polymeric molecules.

These utilize 20 percent of the energy consumed by RO types and require only low pressure to achieve suitable flux rates from the membrane.

RO systems are considered by many to perform the cleanest water treatment. They are capable of removing most sediments and particulates down to less than 0.0005μ, bacteria, viruses, nearly all heavy metals, asbestos, chlorine, fluoride, and a wide range of VOCs. To augment RO and UF technology, an increasing number of suppliers are installing UV and ozone generators in their products.

China’s household water supply systems industry is currently enjoying stronger demand. The majority of interviewed companies experienced export sales growth of 15 to 30 percent in 2010, and anticipate figures to double in the next six months. These positive expectations are fueled by rising global health consciousness.

In addition to the traditional markets of the US and the EU, many makers plan to expand overseas destinations to Southeast Asia, the Middle East, Africa and Eastern Europe.



RO/UF purification solution

Product gallery

Cixi Aibote Enviromental Technologies Industry Co. Ltd

Model: ABT-RO093
Description: RO/UF purification solution; 5 to 38 C ambient temperature; 0.1 to 0.4Mpa inlet water pressure; 3gal tank; 7.8L/hr outlet flow rate; 370x155x386mm


Water purifier

Cixi Weimei Electric Appliance Co. Ltd

Model: XXKL-A08
MOQ: 500 units
Delivery: 15 days
Description: Water purifier; 0.48L/min output; 15L total cubage; 3,000 to 5,000L total filtrate; 320x320x510mm


Bottle/POU cooler

Ningbo Aquaworld Electric Manufacture Co. Ltd

Model: HC68L
MOQ: 192 units
Delivery: 30 days
Description: Bottle/POU cooler; 100 to 127VAC or 220 to 240VAC, 50/60Hz; 0.6L; hot water: 1,150W, 85 to 95 C at 10L/hr, 0.6L tank; cold water: 85W, 5 to 10 C at 2L/hr, R-134a; 324x316x964mm; 13.9kg; CE


Water purifier

Ningbo Lamo Electric Appliance Co. Ltd

Model: RO/50D1
Delivery: 20 days
Description: Water purifier; PP cotton, activated carbon, RO membrane; auto shut-off when no water or full tank detected; microcomputer controls; 18kg; white; CE, CB


Water cooling system

Ningbo Surfsun Home Appliance Mfg Co. Ltd

Model: YLR5-6VN100-RO
MOQ: 200 units
Delivery: 30 days
Description: Water cooling system; 5-stage filtration includes RO technology; hot and cold water in 304 stainless steel tanks; virgin ABS housing; child-lock tap; audible alert on empty; CE, GS, RoHS, LFGB


Water cooling system

Ningbo Surfsun Home Appliance Mfg Co. Ltd

Model: YLR5-6VN90-RO
MOQ: 192 units
Delivery: 30 days
Description: Water cooling system; 5-stage filtration includes RO technology; hot and cold water in 304 stainless steel tanks; virgin ABS housing; CE, GS, RoHS, LFGB


Water purifier

>Yuyao Morejoy Water Purification Technology Co. Ltd

Model: D1-S10E
MOQ: 1,000 units
Delivery: 15 days
Description: Water purifier; single stage filtration; 304 stainless steel housing, chromium-plated brass base; 200L/hr flow rate; 0.1 to 0.3Mpa inlet water pressure; ceramic filter cartridge


Water purifier

Yuyao Morejoy Water Purification Technology Co. Ltd

Model: M6-S10D
MOQ: 1,000 units
Delivery: 15 days
Description: Water purifier; 304 stainless steel housing; 200L/hr flow rate; 0.1 to 0.3Mpa inlet water pressure; 6W UV sterilizer; 1.4in PE hose


Water purifier

Yuyao Yulan Plastic Electric Appliance Co. Ltd

Model: YL-RO50G-11
MOQ: 100 units
Delivery: 30 days
Description: Water purifier; 6-stage filtration includes RO technology, and PP, CTO and postcarbon filters; pressure gauge; steel legs


Note: This article "Household water supply systems with improved performance in the spotlight" was originally published by Global Sources, a leading business-to-business media company and a primary facilitator of trade with China manufacturers and India suppliers, providing essential sourcing information to volume buyers through our e-magazines, trade shows and industry research.

All price quotes in this report are in US dollars unless otherwise specified. FOB prices were provided by the companies interviewed only as reference prices at the time of interview and may have changed.

Disclaimer: All product images are provided by the companies interviewed and are for reference purposes only. Those product images featuring products with trademarks, brand names or logos are not intended for sale. We, our affiliates, and our affiliates' respective directors, officers, employees, representatives, agents or contractors, do not accept and will not have any responsibility or liability for product images (or any part thereof) which infringe on any intellectual property or other rights of a third party.

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