Versatile Applications
Unlock unparalleled versatility with our cutting-edge BW4021 Industrial Membrane technology by Sandmonk Technology Co., Ltd. This state-of-the-art solution is masterfully crafted to effortlessly desalinate both surface and groundwater with unmatched precision, expertly managing salt concentrations between 2000 and 8000 ppm. Perfectly tailored for a range of industries including Pharmaceutical, Chemical, Food and Beverage, Electronics Manufacturing, and Power Plants. Our innovative solutions excel in specialized areas such as Greenhouses and Agriculture, Boiler Feed Water preparation, Aquariums, and beyond, delivering exceptional results and superior performance across all sectors.
Pure Water Preparation and Related Industries: Experience superior water treatment expertise with the BW RO Membrane, expertly designed for impeccable brackish water treatment. Guaranteeing superior quality outcomes every time, it stands as a testament to unmatched excellence in water purification.
Main Features:
★ HJC high rejection quality sheet: Ensures premium purification standards with industry-leading performance.
★ Prolonged service life: Remarkably reduces costs, offering unparalleled value and maximizing investment returns.
★ Superior stabilized rejection: Paired with optimized nominal flux, delivering exceptional efficiency and reliability.
★ Hygienic elements: Certified to ensure top-tier safety, sanitation, and peace of mind.
★ Stringent inspection & testing: In-house processes guarantee the pinnacle of quality and performance excellence.
Customization:
RO Membrane Wrapping Tape - Available √
RO Membrane Center Tube - Available √
RO Membrane Fabric Tricot - Available √
RO Membrane Spacer - Available √
RO Membrane Gasket - Available √
RO Membrane Stickers Design - Available √
RO Membrane Packing Bags - Available √
RO Membrane Packing Cans - Available √
RO Membrane Packing Cartons Design - Available √





SAND.K is passionately committed to spearheading water environmental technology innovations, harnessing an expansive global supply chain system to fuel groundbreaking advancements across the industry. We provide all-encompassing, one-stop solutions for key components, meticulously tailored for small and medium-sized equipment manufacturers. Our commitment extends through cross-border e-commerce, reaching global customers in developing regions and ensuring access to transformative solutions.
Our independent research and cutting-edge manufacturing capabilities establish us as trailblazers and leaders in the field, reinforcing our role as pioneers in innovation. Through comprehensive data analysis, we offer custom solutions for regions facing high salinity water challenges, advancing excellence in water treatment technology and delivering unmatched performance.
Our dynamic solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and pioneering treated wastewater reuse, setting new standards in water management. Moreover, our strategic cost advantage distinguishes us in the industry, providing unmatched value, efficiency, and reliability.

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. |