Product Description
MEMBRANE MATERIALS |
RO FLAT SHEET |
Generation |
Type |
Model |
Salt Rejection(%) |
Flow Rate(GFD at 25°C) |
RO Flat Sheet |
Domestic |
XLP-HF-D |
>97.5 |
>27 |
ULP-2-D |
>99.4 |
>17.0±3.0 |
ULP-3-D |
>99.3 |
>21.0±3.0 |
RO Flat Sheet |
Industrial |
XLP-HF-I |
>97.5 |
>54 |
ULP-2- |
>99.55 |
>30.0±3.0 |
ULP-3- |
>99.45 |
>41.0±3.0 |
BW |
>99.6 |
>30.0±3.0 |
FR |
>99.65 |
>27.0±3.0 |
BW-HF |
>99.55 |
>34.0±3.0 |
SW |
>99.7 |
>21.0±3.0 |
PERMEATE CARRIER |
|
Type |
Class |
Materia |
Antimony Value |
|
|
A |
Special PET |
No antimony |
Permeate Carrier |
Domestic/Industrial |
B |
PET With coating |
Costeffectivewith extremely lowantimony |
|
|
C |
PET+Special PET |
Low cost with low antimony |
|
|
|
|
|
FEED SPACER |
|
Type |
Class |
Model |
Material/Feature |
Feed Spacer |
Domestic/Industrial |
Normal |
PP Series |
PP |
AN Series |
Antimicrobial Polymer |
PE Series |
HDPE &LDPE |
Special |
SP Series |
TWQ for Domestic Membrane |
BWQ for Low Pressure Drop |
PA/PBT for Oil Filter |
Detailed Photos


Company Profile
Who are we: Sandmonk Technology Co., Ltd. is a prestigious global leader in the innovative realm of reverse osmosis membranes, committed to excellence in water purification. Sandmonk Technology Co., Ltd. stands out as an elite powerhouse in R O membranes, expertly designed for high saline water applications, showcasing exceptional performance and reliability. We proudly support global initiatives as a contributing enterprise to the United Nations Children's Fund, embodying a commitment to bettering our world. As a consistent monthly benefactor of the Honghui Education Foundation, we dedicate resources to fostering educational advancements and opportunities.
Our visionary goal at HJC is to revolutionize the planet's water resources by transforming the Earth's abundant seawater into invaluable freshwater reserves, while pioneering groundbreaking synthetic technologies for space exploration and extraterrestrial water discovery. Our unwavering mission is to spearhead groundbreaking advancements in high salinity water technology, setting new standards in the industry.
At the forefront of innovation, we excel in integrating the R O membrane industry chain, focusing on R&D of core components. With mastery over core technologies for purifying high salinity water, we are leading the charge in global high salinity water markets and the expanding seawater desalination sector. Our products boast international acclaim, seamlessly exported across global markets, securing stable distribution channels and widespread recognition in multiple countries. Proudly, our esteemed brand H J C has fortified its position as a recognized name in over 70 countries worldwide, synonymous with quality and trust.
HJC Road Map:
Our journey began in 2013, marking the inception of Sandmonk Technology Co., Ltd.
In 2015, we celebrated a monumental technological breakthrough with our 4-layer reverse osmosis membranes, revolutionizing water purification processes.
By 2017, our brand gained significant traction in the Indian market, expanding our influence with over 20 dedicated agents.
Innovation took a leap forward in 2018 with the unveiling of our third-generation household film, designed for enhanced efficiency and user satisfaction.
2019 witnessed the launch of our groundbreaking 4th generation household film, setting new benchmarks in performance.
The year 2020 marked the debut of our dynamic 5th generation side flow household film, offering superior water filtration solutions.
In 2022, we expanded our product portfolio with the introduction of cutting-edge industrial membranes, catering to diverse industrial needs.
2023 saw the release of our advanced seawater and nanofiltration membranes, engineered to meet the demands of modern water treatment challenges.
Our innovative streak continued in 2024 with the release of TFN membranes, pushing the boundaries of membrane technology.

Our Factory


Exhibition

Certifications

FAQ
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. |