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18 years of experience as a source manufacturer of water treatment equipment, supporting ODM/OEM.

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Shandong Qingqingquan Environmental Protection Technology Co., Ltd. is a professional water treatment equipment manufacturer integrating R&D, production, and sales, focusing on providing water treatment equipment for residential, commercial, and industrial applications to global customers.Our company's products are widely used in household drinking water, commercial water, industrial production, and special industry water applications, mainly including:
* Household and commercial water purifiers, * Reverse osmosis (RO) pure water production equipment, * Water treatment equipment accessories, * Mineral water production equipment, * Drinking water treatment equipment, * Boiler softening water equipment, * Industrial ultrapure water equipment, * Laboratory ultrapure water equipment, * Catering and hotel water treatment equipment, * EDI continuous electrodialysis equipment, * Ion exchange mixed bed equipment, * Bottling production line equipment, * School direct drinking water systems, * Landscape and swimming pool water treatment equipment, * Farm and aquaculture water purification equipment
After years of development, the company has grown into a water treatment equipment supplier with considerable scale and comprehensive strength in China. Our products are exported to many countries and regions, winning the trust and recognition of a wide range of customers. To meet the diverse market demands of our clients, we offer professional OEM and ODM customization services.
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Skid-mounted 3-Stage  Softening Commercial RO Systems
This compact, skid-mounted three-stage water softening & pre-treatment system is built for reliable continuous or scheduled operation. It integrates three independent filter tanks on one common skid: quartz sand filter, activated carbon filter, ion exchange softener. This all-in-one pre-treatment unit effectively removes sediment, rust, chlorine, organics and water hardness, protecting downstream RO, boilers, heat exchangers and pipelines from scaling and fouling.

It is widely used as pre-treatment for reverse osmosis systems, boiler feed water, circulating water, hotel & domestic water, food processing, light industry and commercial water supply projects. Flow rate and tank material are fully customizable to match your raw water conditions and project capacity requirements.
20 Inch Filter Housings Commercial Reverse Osmosis Water Purifier
This compact, cabinet-style commercial water purifier is engineered for high-volume daily drinking water production, built for reliable continuous operation in commercial environments. Combining four core filtration stages—PP sediment filtration, UDF activated carbon treatment, reverse osmosis (RO), and T33 post-carbon polishing—into a single integrated cabinet unit, it delivers clean, great-tasting purified water ideal for offices, schools, restaurants, cafes, bubble tea shops, hotels, and healthcare facilities.

With its sleek cabinet design, intelligent LED control panel, dual TDS monitors, and dual pressure gauges, the system provides real-time water quality visibility and hassle-free operation—perfect for businesses that demand consistent, high-quality drinking water without the complexity of industrial-scale systems.
0.5 T/H Two-Stage Industrial RO Systems Water Purification
This compact, skid-mounted water treatment system is engineered for 0.5 m³/h (500 L/h) rated permeate flow, built for reliable continuous or scheduled operation. Combining pre-treatment (quartz sand, activated carbon, ion-exchange softening), precision filtration, and two-stage reverse osmosis (RO) into a single integrated unit, it delivers ultra-high-purity water with conductivity as low as 2–10 μS/cm, ideal for laboratory, pharmaceutical, food & beverage, electronics, and high-purity industrial applications.

Perfect for facilities requiring consistent, high-quality purified water with low dissolved solids—such as laboratories, dialysis centers, cosmetics manufacturing, bottled water production, and boiler feed systems—the system ensures reliable, ultra-pure water on demand.
3 T/H Reverse Commercial RO Systems Water Treatment
This compact, skid-mounted water treatment system is engineered for 3 m³/h (3,000 L/h) rated permeate flow, built for reliable continuous or scheduled operation. Combining five core stages—quartz sand filtration, activated carbon treatment, antiscalant dosing, precision filtration, and reverse osmosis (RO)—into a single integrated unit, it delivers high-purity water ideal for commercial, light industrial, food & beverage, and boiler feed applications.

Perfect for facilities requiring a steady supply of purified water, such as drinking water plants, food processing workshops, schools, hotels, and industrial manufacturing lines, the system ensures consistent, high-quality water on demand.
0.5 T/H 4-Stage Commercial RO Systems Compact Filtration
This compact, skid-mounted water treatment system is engineered for a rated permeate flow of 0.5 m³/h (500 L/h). It integrates four core treatment stages—quartz sand filtration, activated carbon adsorption, precision cartridge filtration, and reverse osmosis (RO)—into a single mobile frame. An optional antiscalant dosing system can be added to protect the RO membranes against mineral scaling, making the system versatile for municipal tap water, groundwater, and lightly brackish water sources.

Ideal for small commercial, light industrial, laboratory, and drinking-water applications, the system delivers consistent high-purity water with fully automated operation and minimal operator attention.
1 T/H Fully Enclosed Water Purification Commercial RO Systems
This fully enclosed, cabinet-type water treatment system is engineered for a rated permeate flow of 1 m³/h (1,000 L/h), built for scheduled and non-continuous operation. Housed in a 304 stainless steel cabinet with lockable doors and mobile casters, the unit integrates pre-treatment and reverse osmosis (RO) into a single, compact footprint.

The standard 4-stage configuration combines quartz sand filtration, activated carbon adsorption, PP cartridge filtration, and RO. A simplified 2-stage configuration (PP cartridge + RO) is available for good-quality municipal feed water, while pre-treatment can be further customized for challenging source water.

An integrated pressure tank stabilizes system pressure and delivers purified water on demand, while the intelligent RO controller with digital display, pressure gauges, and rotameters provides real-time monitoring and fully automated operation. The enclosed design protects all internal components from dust, moisture, and unauthorized access
1000LPH Compact Two-Stage Filtration Commercial RO Systems
This compact skid-mounted PP + RO water treatment system has a rated capacity of 1m³/h (1000 L/h), designed for intermittent and scheduled operation. It adopts a two-stage purification process: PP security filtration followed by reverse osmosis (RO). The simplified structure is built for users with relatively good raw water quality, to produce stable high-purity water for small commercial, light industrial and laboratory applications.

It is well suited for sites with fixed daily operating hours, such as cafes, small workshops, schools and boiler feed water systems, supplying purified water on demand.
500LPH Compact Two-Stage Commercial RO Systems Filtration System
This compact skid-mounted PP + RO water treatment system has a rated capacity of 0.5m³/h (500 L/h), designed for intermittent and scheduled operation. It adopts a two-stage purification process: PP security filtration followed by reverse osmosis (RO). The simplified structure is built for users with relatively good raw water quality, to produce stable high-purity water for small commercial, light industrial and laboratory applications.

It is well suited for sites with fixed daily operating hours, such as cafes, small workshops, schools and boiler feed water systems, supplying purified water on demand.
1 T/H 5-Stage Water Purification Commercial RO Systems
This compact, skid-mounted water treatment system is engineered for 1 m³/h (1,000 L/h) rated flow, built for scheduled/non-continuous operation.

Combining five core stages—quartz sand filtration, activated carbon treatment, ion-exchange softening, precision filtration, and reverse osmosis (RO)—into a single unit, it delivers high-purity water ideal for small commercial, light industrial, and laboratory applications. Perfect for facilities with fixed daily operating hours, such as cafes, small workshops, schools, and boiler feed systems, the system ensures reliable, high-quality water on demand.
3–20 T/H Industrial RO Systems With Pre-Treatment Dosing System
This industrial-grade reverse osmosis (RO) system is designed for 2–3 m³/h continuous permeate flow, built for commercial and light industrial facilities requiring reliable, high-volume purified water.

The system features a full pre-treatment chain (multi-media sand filtration + activated carbon filtration), a dedicated chemical dosing system, a precision security filter, and a high-efficiency RO unit. It effectively removes sediment, chlorine, organic contaminants, scaling ions, and dissolved salts, delivering consistent, high-quality water for manufacturing, food & beverage, boiler feed, and general process applications.

Designed for intermittent on-demand operation instead of 24-hour continuous running, it supports flexible start and stop to save energy and reduce equipment wear, perfectly matching places with fixed working hours water demand.
500 L/h Two-Stage RO EDI Deionized  Ultrapure Water Systems
This compact skid-mounted ultrapure water system has a rated flow rate of 0.5 m³/h (500 L/h). It employs an all-membrane process combining pretreatment + two-stage reverse osmosis (RO) + continuous electrodeionization (EDI), consistently producing ultrapure water with a resistivity of up to 15–18.2 MΩ·cm.

Designed specifically for timed or non-continuous operation, the system features a high level of integration and a small footprint, making it ideal for industries with stringent water quality requirements such as electronics & semiconductors, photovoltaics, pharmaceuticals, laboratories, fine chemicals, and surface treatment.
2 m³/h Ultrapure Water Systems Industrial Water Treatment Equipment
This is a high-efficiency 2 m³/h two-stage reverse osmosis (RO) + EDI ultra-pure water system, designed for applications requiring extremely high water purity. It combines multi-media pre-treatment, two-pass RO purification, and continuous electrodeionization (EDI) into a fully integrated, all-stainless steel skid.
Built for demanding industries such as pharmaceuticals, laboratories, cosmetics, and electronics manufacturing, the system produces ultra-pure water that meets stringent quality standards. The 304 stainless steel construction ensures hygiene, durability, and easy cleaning, making it ideal for environments with strict sanitation requirements.
Shandong Qingqingquan Environmental Protection Technology Co., Ltd. is a professional water treatment equipment manufacturer integrating R&D, production, and sales, focusing on providing water treatment equipment for residential, commercial, and industrial applications to global customers.
Contact Us
Contact person: wangqiwei
Tel: +86 152 6994 7255
WhatsApp: +86 152 6994 7255
Add: Room 2004, Building A12, Lushan Center, Liuqing Street, Lanshan District, Linyi City, Shandong Province, China
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