About these items: Immerse yourself in superior water purification technology that promises reliability and premium quality with every drop.
Enjoy Your Water with Confidence: Experience peace of mind knowing your water is purified to perfection, allowing you and your loved ones to enjoy fresh and clean hydration. Our Reverse Osmosis membrane is skillfully crafted to remove an astounding 99% of over 1,000 contaminants. Wave goodbye to impurities such as lead (up to 98% removal efficiency), chlorine, fluoride, arsenic, asbestos, calcium, sodium, and more, ensuring your water is pure and safe.
Top-notch Quality: Experience the culmination of advanced engineering and premium materials with our Reverse Osmosis Membrane, assuring unmatched contaminant removal efficiency. Designed with superior food-grade materials, it allows only pure water molecules to pass through.
Energy Saving: Benefit from a design that champions efficiency. This membrane operates efficiently at a low pressure of just 70 psi, reducing power consumption and trimming down operating costs, making it a cost-effective choice for your water purification needs.
Wide TDS Range: Our membrane delivers remarkable performance, even in challenging saline water conditions with TDS levels as high as 3000ppm, all while maintaining a consistent and stable rejection rate.
Stable Rejection Rate 97%: The advanced membrane sheet formulas ensure a steadfast and reliable rejection rate across diverse TDS levels, enhancing the stability and quality of your purified water.
Peace of Mind Customer Service: Your satisfaction is our priority. If any concerns arise with our products, please reach out. Our dedicated support team is ready and enthusiastic to provide you with the assistance you deserve!
Key applications: Our membrane is versatile and indispensable in a range of settings where superior water quality is critical.
Ideal for residential and household reverse osmosis systems, as well as other water purification devices in hospitals and laboratories, meeting the highest standards of water quality.
Municipal water purification: Ensuring safe and clean water for communities and public use.
Food and Beverage industries: Providing the purest water, a fundamental ingredient in the production process.
Farms, Restaurants, Retail, Garment Shops, Building Material Shops, Manufacturing Plants, Machinery Repair Shops, Printing Shops, Construction Works, Energy & Mining, Advertising Companies, and water plants benefit from premium water filtration that supports diverse and demanding sectors.
Model |
A |
B |
C |
D |
E |
Average Permeate Flow
gpd (m³/d) |
Average Salt Rejection
% |
Test conditions |
Inch
(mm ) |
Inch
(mm ) |
Inch
(mm ) |
Inch
(mm ) |
Inch
(mm ) |
NaCl |
Pressure |
Temperature |
pH |
Recovery Rate |
Pro-LP-1812-50 |
1.75
(44.5) |
0.72
(18.2) |
0.87
(22.0) |
0.87
(22.0) |
12.00
(297.5) |
≥50(0.19) |
97 |
350mg/L |
70psi |
25°c |
6.5~7.5 |
50% |
Pro-LP-1812-75 |
1.75
(44.5) |
0.72
(18.2) |
0.87
(22.0) |
0.87
(22.0) |
12.00
(297.5) |
≥75(0.29) |
97 |
350mg/L |
70psi |
25°c |
6.5~7.5 |
50% |
Pro-LP-2012-100 |
1.81
(46.0) |
0.72 (18.2) |
0.87 (22.0) |
0.87 (22.0) |
12.00
(297.5) |
≥100(0.38) |
97 |
350mg/L |
70psi |
25°c |
6.5~7.5 |
50% |
Pro-LP-2012-150 |
1.81
(46.0) |
0.72 (18.2) |
0.87 (22.0) |
0.87 (22.0) |
12.00
(297.5) |
≥150(0.57) |
97 |
350mg/L |
70psi |
25°c |
6.5~7.5 |
50% |
Pro-LP-2012-400 |
1.85
(47.0) |
0.72 (18.2) |
0.78
(20.0) |
0.78
(20.0) |
12.00
(297.5) |
≥400(1.52) |
97 |
350mg/L |
70psi |
25°c |
6.5~7.5 |
50% |
Pro-LP-2812-200 |
2.68
(68.0) |
0.72
(18.2) |
0.87
(22.0) |
0.87
(22.0) |
12.00
(297.5) |
≥200(0.76) |
97 |
350mg/L |
70psi |
25°c |
6.5~7.5 |
50% |
Pro-LP-2812-300 |
2.68
(68.0) |
0.72
(18.2) |
0.87
(22.0) |
0.87
(22.0) |
12.00
(297.5) |
≥300(1.14) |
97 |
350mg/L |
90/100psi |
25°c |
6.5~7.5 |
50% |
Pro-LP-3012-400 |
2.68
(68.0) |
0.72
(18.2) |
0.87
(22.0) |
0.87
(22.0) |
12.00
(297.5) |
≥400(1.52) |
97 |
350mg/L |
100psi |
25°c |
6.5~7.5 |
50% |
Pro-LP-3012-600 |
2.91
(74.0) |
0.72
(18.2) |
0.87
(22.0) |
0.87
(22.0) |
12.00
(297.5) |
≥600(2.28) |
97 |
350mg/L |
100psi |
25°c |
6.5~7.5 |
50% |
Pro-LP-3013-400 |
2.68
(68.0) |
0.72
(18.2) |
0.78
(20.0) |
0.78
(20.0) |
13.00
(333.0) |
≥400(1.52) |
97 |
350mg/L |
100psi |
25°c |
6.5~7.5 |
50% |
Pro-LP-3013-500 |
2.68
(68.0) |
0.72
(18.2) |
0.78
(20.0) |
0.78
(20.0) |
13.00
(333.0) |
≥500(1.90) |
97 |
350mg/L |
100psi |
25°c |
6.5~7.5 |
50% |
Pro-LP-3013-600 |
2.68
(68.0) |
0.72
(18.2) |
0.78
(20.0) |
0.78
(20.0) |
13.00
(333.0) |
≥600(2.28) |
97 |
350mg/L |
100psi |
25°c |
6.5~7.5 |
50% |
Pro-LP-3113-800 |
3.11
(79.0) |
0.72
(18.2) |
0.78
(20.0) |
0.78
(20.0) |
13.00
(333.0) |
≥800(3.04) |
97 |
350mg/L |
110psi |
25°c |
6.5~7.5 |
30% |
Pro-LP-3213-900 |
3.11
(79.0) |
0.72
(18.2) |
0.78
(20.0) |
0.78
(20.0) |
13.00
(333.0) |
≥900(3.42) |
97 |
350mg/L |
110psi |
25°c |
6.5~7.5 |
30% |
Pro-LP-3213-1000 |
3.11
(79.0) |
0.72
(18.2) |
0.78
(20.0) |
0.78
(20.0) |
13.00
(333.0) |
≥1000(3.80) |
97 |
350mg/L |
110psi |
25°c |
6.5~7.5 |
30% |
Pro-LPHR-1812-75 |
1.75
(44.5) |
0.72
(18.2) |
0.87
(22.0) |
0.87
(22.0) |
12.00
(297.5) |
≥75(0.29) |
98 |
350mg/L |
90psi |
25°c |
6.5~7.5 |
15% |
Pro-LPHR-2012-200 |
1.85
(47.0) |
0.72
(18.2) |
0.78
(20.0) |
0.78
(20.0) |
12.00
(297.5) |
≥200(0.76) |
98 |
350mg/L |
90psi |
25°c |
6.5~7.5 |
15% |
Pro-LPHR-3012-400 |
2.91
(74.0) |
0.72
(18.2) |
0.87
(22.0) |
0.87
(22.0) |
12.00
(297.5) |
≥400(1.52) |
98 |
350mg/L |
110psi |
25°c |
6.5~7.5 |
15% |
Pro-LPHR-3013-400 |
2.68
(68.0) |
0.72
(18.2) |
0.78
(20.0) |
0.78
(20.0) |
13.00
(333.0) |
≥400(1.52) |
98 |
350mg/L |
110psi |
25°c |
6.5~7.5 |
15% |
Duetovariationsinfeedwaterquality,membraneelementsunderstandardtestconditionsmayhavea15%deviationinpermeateflow
Thestatedproductperformanceisbasedondatacollectedafter30minutesofoperationatthefollowingtestconditions
SIZE:mm/Inch
RecommendedOperatingConditions:
Operating Limits |
Unit |
Value |
Maximum operating pressure |
psi (MPa) |
125(0.86) |
Maximum feed water temperature |
°F (°C) |
113(45) |
Continuous operation pH range |
|
3-10 |
Cleaning PH range |
|
2-11 |
Maximum feed water SDI15 |
|
5 |
Maximum residual chlorine concentration of influent |
ppm |
<0.1 |
GeneralHandlingProcedures:
Storeinacoolanddryplace(below45°C)awayfromsunlight.
Permeatefromthefirsthourofoperationshouldbediscarded.
Keepelementsmoistatalltimesafterinitialwetting.
TopreventmicrobialgrowthintheWetMembraneElement,The itemis highlyrecommendedtothoroughly washitusinga1.0%SodiumMetabisulfite(foodgrade)solution.This should be followedbysecure vacuum-bagpacking ofthe
MembraneElementandcarefully storingitwithinaprotective cardboardbox.
Ensure that you onlyusechemicalsthat are compatiblewiththemembraneelementsandother components.Please note that Bright Star Waterwillnotaccept anyresponsibilityforanyissues arisingfromtheuseofincompatiblechemicals.


Seawater Desalination - Immerse Yourself in the Pure Refreshment of Transformed Ocean Water. Zero Discharge of Latex Wastewater - Pave the Way for Sustainable and Eco-Friendly Solutions. Copper Foil Industry Wastewater Treatment - Elevate Efficiency and Lessen Environmental Impact, Contributing to a Greener Tomorrow.
New Energy Industry - Pioneering the Future of Technology with Innovative Solutions. Sulfuric Acid Purification and Recovery - Unlocking the Potential of Resource Reclamation. Lithium Extraction from Salt Lake - Tapping into Renewable Resources for a Future Defined by Sustainability and Innovation.
Our commitment to excellence is underscored by our prestigious certifications: We proudly hold a Health & Safety Management System Certificate, ensuring the highest standards of workplace safety. Our Environmental Management System Certificate is a testament to our dedication to eco-friendly practices. Additionally, our ISO9001 Quality System Certificate exemplifies our unwavering commitment to quality across all processes.
Our innovative prowess is showcased through our distinguished patents: We have secured an Invention Patent for Membranes Production, highlighting our unique manufacturing techniques. Our cutting-edge Invention Patent of Multi-layer RO Membrane represents advanced technological strides in membrane design. Furthermore, our Utility Model Patent Certificates solidify our position as pioneers in the field, offering unique and practical solutions.
1. Q:Are you a manufacture or a trading company?
A:We are manufacturer with our own factory and meanwhile we cooperation with other factories in our own technology.
2. Q: What about the lead time for mass production?
A: Our production time: 10-15 days for regular models.
3.Q:How you guarantee products quality?
A:We inspect and control the whole process from raw materials, production process, finished product to shipment.
4. Q: Can you offer sample before mass order? is it free or extra?
A:Yes samples will be kindly arranged for your confirmation. Please contact us for more details.
5.why choose us ?
We have advanced technology for the production of TFN membrane.
We have established the first TFN coating production line in China and achieved stable mass production.
We have equipped 1000m2 test platform, advanced water testing technology.
We provide RO,NF,UNF, Special Membrane Element and SPEC Customized Membrane as well.
We offering customer competitive price with excellent products quality and comprehensive services.
Proshare History
2016 - Spearheaded by the visionary Dr. Lin Xiaofeng, a luminary under the National Major Talent Introduction Project, the Proshare PhD team proudly returned to China. This marked the inception of a dynamic era filled with innovation and groundbreaking developments.
2017 - With pride, Proshare established its headquarters in the innovative hub of Nanopolis Suzhou, joining the world's largest community dedicated to the industrial applications of nanotechnology, laying the groundwork for future innovations.
2018 - Proshare unveiled its pioneering and exclusively designed TFN coating production line, ushering in a new era of mass production capabilities.
2019 -PSI MEMBRANE® achieved a significant milestone by successfully replacing imported nanofiltration membrane products. It proved its prowess across diverse applications, including textile wastewater, landfill leachate, and high-salt & COD wastewater treatments, playing a pivotal role in environmental sustainability. Additionally, it became the first domestic provider of premium household nanofiltration water purifiers.
2020 - Proshare unveiled SPEC customized membranes, designed meticulously for large environmental engineering enterprises, successfully serving a multitude of publicly-listed companies.
2021 - Proshare secured its position as a trusted supplier for Sinopec, providing integrated TFN membrane solutions, customized precisely for the intricate needs of the petrochemical industry.
2022 - By establishing strategic subsidiaries in Shenzhen city, Hunan Province, Fujian Province, and Jiangxi, Proshare broadened its horizons, becoming the leading domestic supplier in emerging sectors such as synthetic biology, lithium batteries, and copper foil production,among others.
2023 - Proshare reached another pinnacle as the foremost domestic supplier of seawater desalination membranes, serving prestigious international luxury cruise companies, significantly enhancing its global footprint.
2024 - An air of anticipation surrounds the exciting future prospects on the horizon.