PSI MEMBRANE® Introducing the Pro-LP Ultra-low Pressure Reverse Osmosis Membrane Element,crafted with groundbreaking Thin Film Nanocomposite (TFN) Technology. This advancement ensures unparalleled flux at significantly reduced operating pressures, enabling cost efficiency without compromising performance.
Key Features:
- Achieves up to 30% lower Pressures -delivering substantial energy savings and heightened productivity, even in cooler water conditions.
- 440 ft² Active Area:Optimizes capital expenditure on equipment by allowing savings in components and pumping systems, thanks to the expansive 440 ft² active area.
- Wide Cleaning pH Range:With the broadest cleaning pH range from 1 to 13, this membrane boasts an anti-fouling surface that enhances cleaning efficiency, ensuring robustness and a longer lifespan.
Key Applications:
Ideal for water softening, the production of pure water, and water reuse across diverse industries including
pharmaceutical, electronics, power, petrochemical, refinery, food & beverage, and municipal sectors, among others.
Product |
Effective Membrane area ft² (m²) |
Feed spacer thickness(mil) |
Product Flow Rate
g p d( m ³/d) |
Stable Salt Rejection
(%) |
Minimum desalting rate
(%)
|
Pro-LP-2540 |
28(2.6) |
32 |
750(2.8)
|
99.4 |
99.2 |
Pro-LP-4021 |
36(3.3) |
32 |
1000(3.8)
|
99.4 |
99.2 |
Pro-LP-4040 |
82(7.6) |
32 |
2800(10.6)
|
99.4 |
99.2 |
Pro-LP-8040 |
440(40) |
32 |
12000(45.9) |
99.4 |
99.2 |
1. The product's flow rate and exceptional salt rejection rate are derived from the following meticulously standardized test conditions:
Feed water concentration: 1500 ppm as NaCl, Feed water pressure: 225 psi (1.55 MPa), Feed water temperature: 77°F (25°C), and Recovery rate: 15% specifically assessed for a single membrane.
2. Note that the product flow may vary within a range of +/-15%, ensuring adaptability and performance stability.
Operating Condition:
Operating Limits |
Unit |
Value |
Maximum operatingpressure |
psi(bar) |
600(41) |
Maximumfeed water temperature |
°F(°C) |
113(45) |
Maximum pressure drop |
bar |
1 |
ContinuousoperationpH range |
|
2~11 |
Cleaning PH range |
|
1~13 |
Maximum feed watere SDl15 |
|
5 |
Maximum influent turbidity |
ntu |
1 |
Maximum residual chlorine concentration of influent |
ppm |
<0.1 |
SIZE: mm
Model |
A |
B |
C |
Pro-LP-2540 |
1016 |
61 |
19 |
Pro-LP-4021 |
533 |
100 |
19 |
Pro-LP-4040 |
1016 |
100.3 |
19.1 |
Pro-LP-8040 |
1016 |
200 |
28.6 |
Industry Applications
Proshare Proshare has garnered invaluable expertise by delivering cutting-edge technical solutions tailored for the industrial sector. Our innovative approach ensures the provision of absolutely pure water, pivotal for numerous industrial processes, including wastewater treatment, reuse, and resource recycling. Our solutions set the benchmark for industry standards.
Our engagement spans across principal industry sectors such as petrochemical, mining, and lithium extraction from salt lake. We also focus on lithium iron phosphate & lithium battery recycling, semiconductor manufacturing, seawater desalinization, and a host of other sectors including reclaimed, leachate, synthetic biology, copper foil production, pharmaceuticals, and power generation.
Moreover, our expertise extends to diverse applications such as steam boilers, feeding food & beverages industries including mineral water bottling, soft drinks, and juices. We cater to painting lines, dairies, ice cream production, laundries, hospitals, textile industries, mechanical industries, and steel companies, ensuring all needs are met with precision and excellence.
Hospitality/Seawater and Brackish Water Desalination Applications
Proshare's extensive experience in desalination technology has been pivotal in addressing water desalination needs for the hospitality sector, including hotels and touristic resorts. As these infrastructures evolve, the demand for fresh water soars. Our R.O. seawater or brackish water desalination solutions offer an unparalleled alternative, effectively meeting the capacity requirements of burgeoning touristic areas and their escalating water needs.
Farming applications
Water is a fundamental element in ensuring the optimal health and performance of livestock such as cattle, chickens, sheep, and pigs. Beyond quantity, the quality of water significantly impacts their growth. Our solutions ensure that the water provided meets the highest standards for animal welfare and productivity.
Farms utilize water from various sources, including water wells, civil water networks, and occasionally from rivers and other superficial sources. Each source demands specific attention to maintain water quality.
Excluding civil network water (which contains free chlorine), other sources often present high levels of dissolved and suspended solids and pathogens. Proshare's reverse osmosis technology stands as the most effective solution to mitigate negative effects. Our advanced treatment processes ensure that contaminated water undergoes meticulous purification to eliminate harmful substances, safeguarding the health of farm animals.
Municipal and Civil use
We offer groundbreaking, scalable solutions for efficient and sustainable wastewater and effluent treatment. Our extensive portfolio of patented technologies, coupled with collaborations with national experts and scientific research institutions, provides unparalleled assurance to municipalities facing stringent health and environmental mandates. We are committed to perpetual improvement, leveraging systematic feedback from our engineers in real-world applications.
Our expertise in sewage treatment forms a cornerstone of our support in helping you achieve your sustainable development goals. As a leader in sustainable advancement, we provide an extensive array of solutions, meticulously designed to meet diverse needs:
Sanitation technologies.
Recovery of reusable materials from wastewater.
Proshare PSI MEMBRANE Desalination RO Membrane Serves Desalination in Cruise Ship
Historically, the elite circle of international luxury cruise ships relied on a select few international brands for desalination membranes. These essential elements must skillfully adapt to the dynamic salinity and temperature variations encountered during voyages, ensuring a consistent and reliable supply of water tailored to meet the sophisticated demands of ocean-faring vessels.
The Proshare PSI MEMBRANE Pro-HR-SW seawater desalination membranes excelled in both desalination efficiency and steady water production. The resultant water quality not only met but exceeded the rigorous standards required by cruise ships, setting a new benchmark in water treatment.
Such extraordinary performance paved the way for the replacement of membranes across three more cruise ships. Proshare's significant achievement marks it as the pioneering national brand to secure international luxury cruise ship contracts for RO desalination membranes.
A Complete Water Treatment Plant for Generating Ultra-pure Water in the Semiconductor Industry
In the realm of electronics, the demand for ultra-pure water with exceptional desalination rates is paramount, a challenge that only a handful of brands can confidently address.
Through the groundbreaking TFN membrane technology, paired with the vast industry expertise of the TsingXi team, Proshare delivers a comprehensive pure water solution. These systems exhibit outstanding rejection rates for salt, boron, and TOC, meeting the stringent demands of semiconductor water production.
This outstanding success has secured Proshare a coveted project in electronic ultra-pure water treatment with a prestigious Japanese listed company.
Proshare Tailor Made TFN Special Acid-Resistant and High-Pressure Membranes for Wastewater Treatment in Petrochemical/Refining to Truly Achieve Zero Liquid Discharge
Proshare Tailor Made TFN Special Acid-Resistant and High-Pressure Membranes, a cutting-edge separation and concentration device for wastewater treatment containing ammonium sulphate desulphurisation. Capable of concentrating wastewater up to 40 times, achieving ammonium sulphate levels of ≥ 20%. This innovation dramatically decreases energy consumption for subsequent evaporation and crystallization, bringing substantial cost savings while delivering water quality that meets the stringent China Petroleum and Chemical Corporation standards, achieving genuine zero wastewater discharge.
This triumphant outcome has led to further orders from additional group subsidiaries.
This membrane is also adept at handling other high-temperature, highly acidic wastewater scenarios containing ammonium sulphate, such as those in energy, refining, chemical, metallurgical sectors. With the latest ammonia desulphurisation technology and carbon capture integration, Proshare supports the emerging green industry chain, aligning with the national 'dual-carbon policy.
Proshare TFN-SEP Customized NF Membrane Dramatically Increases Lithium Permeate Rate up to 96.6%,retention rate of Mg2+ > 99%, retention rate Ca2+ > 98%
Technical Bottlenecks of Membrane Separation (Nanofiltration/Reverse Osmosis) in Lithium Extraction from Salt Lakes, challenged by membrane fouling,low selectivity<80%,high energy consumption accounts for 30%-40% of total cost,short membrane lifespan 2-3years.
Proshare PSI MEMBRANE TFN-SEP Customized NF /RO Membrane
demonstrated superior performance data in an lithium extraction project located in Lakkor Tso Salt Lake ,Tibet.China:
With only 2 stage Nanofiltration process +1 stage RO given production water with Mg2+ 2.9mg/L, Ca2+ 2.25mg/L. retention rate of Mg2+ > 99%, retention rate Ca2+ > 98%, lithium permeate rate 96.6%, the flux close to 20LMH under the operating pressure of 1MPa.Proven membrane technology is environmentally and economically friendly and improves product purity and quality .

Proshare Trailblazing Breakthrough in Advanced Reverse Osmosis Membrane Technology
Proshare Our team stands at the forefront of innovation with a revolutionary new generation of reverse osmosis membranes, built on the pioneering platform of polymer interface nano-self-assembly technology. This cutting-edge approach triumphantly surpasses the constraints of traditional reverse osmosis membrane designs through two transformative breakthroughs:
Ultra-Slim Separation Layer: Utilizing state-of-the-art polymer interface nanotechnology, our team has achieved the remarkable feat of reducing the separation layer's thickness by at least threefold compared to the conventional polyamide thin films, which were previously confined to a 100 nm limit. This landmark development dramatically amplifies water flux, leading to a significant leap in permeability capabilities.
Superior Performance Enhancement: By harnessing the power of nanoparticles alongside specialized hydrophilic polymers, we've reached unprecedented heights in hydrophilicity, resistance to fouling, robust durability, and oxidative stability of the membrane.
In stark contrast to traditional polyamide reverse osmosis membranes, Proshareproudly presents innovations that redefine four pivotal domains:
Self-Assembled Nanocomposite Films
Through the integration of nano-scale precision control and nano-doping modification techniques, we craft ultra-thin and highly organized separation layers using polymer interface nanotechnology. This avant-garde methodology overcomes traditional polyamide membrane limitations in terms of thickness uniformity and material versatility.
Remarkably Enhanced Water Flux and Energy Optimization
By rigorously fine-tuning the layer-by-layer self-assembly process, we've achieved a remarkable 3x reduction in the functional layer's thickness compared to traditional membranes. This meticulous precision results in >3x higher water flux with 30% lower energy consumption.
Innovative Polymer Materials with Exceptional Chemical Stability
Venturing beyond polyamide, our team employs cutting-edge hydrophilic polymers, such as modified polysulfones, and ceramic-organic hybrids to fashion materials with extraordinary oxidation resistance (capable of withstanding 10 ppm chlorine exposure) and robust pH resilience (maintaining stability across a 1-12 pH spectrum).
Advanced Anti-Fouling Surface Engineering
The engineered superhydrophilic surface, with a contact angle below 10°, coupled with nanoparticle reinforcement, substantially diminishes organic fouling tendencies by 50%, extending the frequency of chemical cleaning cycles from every 3 months to an impressive 6 months, thus slashing maintenance expenses by 40%.
Our dedication to excellence is showcased through our prestigious certifications: Health & Safety Management System Certificate, Environmental Management System Certificate, and the esteemed ISO9001 Quality System Certificate. Each reflects our unwavering commitment to superior standards and sustainable practices.
Proshare proudly holds Invention Patents for Membrane Production and the innovative Multi-Layer RO Membrane. These patents are a testament to our pioneering spirit and relentless pursuit of cutting-edge advancements in water treatment technologies. We are committed to environmental responsibility, as evidenced by our RoHS Compliance Certificate. This certification underscores our dedication to producing eco-friendly products that prioritize both safety and sustainability.
Proshare Innovation Suzhou Co., Ltd. is a prestigious national high-tech enterprise at the forefront of developing and industrializing the cutting-edge third-generation thin-film nanocomposite (TFN) membranes. Specializing in reverse osmosis (RO), nanofiltration (NF), and material separation applications, the company was founded in 2017 by an elite team of overseas-returned doctoral experts led by the renowned Dr. Lin Xiaofeng, a recipient of esteemed national talent programs. As the only domestic manufacturer in China for TFN membranes, Proshare Innovation has truly set an unrivaled standard.
Core Competencies
Technological Innovation: As pioneers in applying TFN technology to nanofiltration membranes, we have achieved fully independent research and development, as well as localized production of both the membranes and the sophisticated manufacturing equipment.
Intellectual Property: Proud holders of over 31 patents, Proshare's membrane performance is unmatched internationally, effectively replacing monopolized foreign products with superior domestic innovation.
Production Capacity: With a cutting-edge 2,000 m² R&D facility and an expansive 15,000 m² production base, we boast significant production capabilities.
Funding: Successfully completing the Pre-A Round (2023) and A Round (January 2025) financing, Proshare is supported by the prestigious Suzhou Industrial Park Science Innovation Fund and Yong Sheng Capital.
Market Recognition: Honored as a preferred supplier for prominent listed environmental engineering firms and reputable state-owned enterprises, we are at the pinnacle of market recognition.
Leadership:Under the visionary guidance of Dr. Lin Xiaofeng, a distinguished Ph.D. graduate from the University of Strasbourg (France) and a recipient of multiple provincial and national talent awards (such as Suzhou Leading Talent, Jiangsu Dual Innovation Talent), the company strides ahead in achieving groundbreaking R&D breakthroughs in TFN membrane industrialization.
WHY US?
FAQ:
(1) Q: Why Choose Our Company?
A: We offer comprehensive water treatment solutions
featuring revolutionary Thin Film Nanocomposite (TFN) membrane sheets, elements, and water treatment system solutions tailored to your needs.
A: Our Customization capabilities
are backed by national expert teams and the Tsinghua University Suzhou Environmental Innovation.
A: We guarantee quality and deliver value.
Not only do our premium solutions provide significant ROI for our customers, but we also offer extensive training, support, and services, leveraging our local expertise to serve global markets efficiently.
A: Partnering with our customers
We draw inspiration from our customers' daily dedication to providing the invaluable gift of clean water. Together, we thrive towards a water-optimized world.
(2)Q: Are you a manufacturer or Trade Company?
A: We are a seasoned manufacturer equipped with our own International Trade Department, allowing us to keenly understand customer needs and offer the most competitive prices.
(3) Q: How's the after-sale service?
A: We deploy engineers for overseas service under the supervision and translation of merchandisers to ensure smooth communication and service delivery.
(4) Q: How about the quality?
A: Our main sub-assemblies and raw materials are sourced from large, reliable companies, while key components are innovatively researched and developed by our proficient staff. Our professional assembly line and stringent quality testing systems guarantee the highest quality standards to meet your requirements.
(5) Q: Product /Quality Guarantee and After Sale Service?
Answer: Enjoy peace of mind with our 1-year warranty, which adheres to international standards. We pride ourselves on providing round-the-clock online support, ensuring assistance is just a click away. Have questions about our machines? Reach out to us anytime, and our dedicated team will be delighted to assist you.
(6) Question: Certification?
Answer: Tsingxi proudly operates under the prestigious ISO9001, ISO14001, and ISO45001 certifications. Our products are meticulously engineered to align with the rigorous technical standards of 3C and CE, ensuring superior quality and reliability. Each product is endorsed by the Industry Administration Authority, a testament to Tsingxi's commitment to excellence. With an unwavering dedication, Tsingxi aspires to solidify its position as a formidable high-tech leader in the global water treatment market, continually pushing the boundaries of innovation.