Discover the exceptional capabilities of our Domestic RO membrane, renowned for its superior high rejection rate. Available in a wide range of sizes, including customizable options like 50, 75, 100, 200GPD, these membranes are meticulously engineered for both domestic and commercial water treatment needs. Whether purifying low salinity waters for homes, hospitals, laboratories, shops, or stores, our membranes offer unparalleled versatility and performance.
Our Reverse Osmosis membranes are designed to deliver exceptional efficiency, boasting a remarkable salt rejection rate even at high flow rates. With unmatched mechanical strength and an extended service life, these membranes operate efficiently under low-pressure conditions. The 100 and 200GPD RO membranes are highly resilient to environmental factors such as pH variations and temperature changes, ensuring stable chemical performance and outstanding cost-effectiveness.











SAND.K is at the forefront of water environmental technology, utilizing a robust and comprehensive global supply chain to spearhead innovations and elevate water solutions on a worldwide scale. We provide all-encompassing one-stop services for key components, specifically catering to small and medium-sized equipment manufacturers. Through our strategic cross-border e-commerce endeavors, we are committed to extending superior customer service to emerging markets worldwide.
With our independent R&D and manufacturing capabilities, we stand poised to offer groundbreaking solutions that are meticulously tailored to address unique challenges. Our profound expertise in data analysis fuels the creation of bespoke solutions, adeptly addressing the specific challenges faced by high salinity water regions, and turning potential water-related obstacles into promising opportunities.
Our dynamic, rapid-response solutions include seawater desalination, waste leachate treatment, drinking water purification, and pioneering the innovative reuse of treated wastewater, ensuring a holistic approach to comprehensive water management. We take pride in delivering a competitive advantage through our significant cost efficiencies, ensuring maximum value without sacrificing quality.

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. |