Versatile Applications
Unlock the vast potential of our cutting-edge BW8040 RO Membrane, meticulously engineered to excel in transforming both surface and groundwater by expertly managing salt concentrations from 2000 to 8000 ppm. This innovative solution is perfectly suited for a wide array of industries, including Pharmaceuticals, Chemicals, Food and Beverage, Electronics Manufacturing, and Power Plants. It also excels in Greenhouses and Agriculture, Boiler Feed Water preparation, Aquariums, and more, offering unparalleled performance and versatility.
Pure Water Preparation and Related Industries The BW8040 RO Membrane emerges as the top-tier solution for Brackish Water treatment, consistently delivering superior quality water purification.
Main Features:
★ Featuring the HJC high rejection quality sheet, it guarantees the utmost standards of purification excellence;
★ Designed for extended service life, it significantly cuts costs, offering exceptional value and efficiency;
★ Achieving high stabilized rejection with actual nominal flux, ensuring exceptional operational efficiency;
★ Sanitary-qualified elements ensure maximum safety and hygiene, prioritizing user well-being;
★ Extensive in-house inspection & testing controls ensure top-tier quality delivery.











Sandmonk Technology Co., Ltd., known by the brand SAND.K, is passionately committed to advancing water environmental technology. By leveraging a global supply chain, we introduce revolutionary innovations to the sector. We deliver comprehensive, one-stop solutions crafted for small and medium-sized equipment manufacturers. Our commitment is demonstrated in our cross-border e-commerce endeavors, reaching clients globally in developing regions.
Through dedicated independent research and development, paired with robust manufacturing capabilities, we establish ourselves as trailblazers in the industry. By utilizing comprehensive data analysis, we provide customized solutions for regions facing high salinity water challenges, setting a new benchmark in water treatment.
Our agile solutions cover seawater desalination, waste leachate treatment, drinking water purification, and pioneering reuse of treated wastewater. Moreover, our competitive pricing strategy highlights our industry leadership, offering unbeatable value.

QUESTION |
ANSWER |
Are you a factory or trading company? |
Yes, we have our own factory. |
Can you offer OEM service? |
Yes, OEM is OK. |
Can I get samples from you factory? |
Sure. We are pleased to. |
What would you do if some quality problem occur? |
We will be responsible to all quality problem. |