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: A distinguished international brand specializing in reverse osmosis membranes, Sandmonk Technology Co., Ltd. has carved a niche as a leader in innovation and quality. Recognized as an Excellent Firm in the field of high-salt water R O membranes, we stand at the forefront of technological advancements, ensuring optimal performance and reliability. Proudly serving as a Donating Enterprise to the United Nations Children's Fund, we are committed to making a positive global impact through our corporate social responsibility initiatives. A dedicated Monthly Donor of the Honghui Education Foundation, we emphasize the importance of education and are committed to nurturing future generations.
HJC's grand vision is to transform two-thirds of the Earth's seawater into valuable freshwater reserves, pioneering new synthetic technologies for extraterrestrial water resources. Our unwavering mission is to drive innovation in high salt water technology, pushing the boundaries of what's possible to create a sustainable future.
Currently, we are deeply immersed in the integration of the R O membrane industry chain, spearheading research and development of core components. By mastering cutting-edge technology for purifying high salinity water, we aim to cultivate the global market for high salinity water regions and seawater desalination. Our products are proudly exported worldwide, enjoying stable distribution channels and growing popularity across various countries. With its brand H J C, Sandmonk Technology Co., Ltd. has achieved widespread recognition, now a renowned brand in over 70 countries worldwide.
HJC Road Map:
Established in 2013, laying the foundation for future innovations in membrane technology.
By 2015, we celebrated a significant technological breakthrough with the development of 4-layer reverse osmosis membranes, setting new industry standards.
2017 marked our emergence as a well-known brand within the Indian market, backed by a strong network of over 20 dedicated agents.
In 2018, we proudly launched a revolutionary third-generation household film, enhancing the accessibility and efficiency of water purification at home.
2019 witnessed the release of our 4th generation household film, pushing the envelope in household water filtration technology.
The year 2020 saw the debut of our 5th generation side flow household film, offering superior filtration capabilities.
In 2022, we introduced powerful industrial membranes, designed to meet the demands of large-scale operations.
The unveiling of our seawater membranes and nanofiltration membranes in 2023 marked another milestone, showcasing our commitment to innovation.
2024 was distinguished by the release of TFN membranes, representing the pinnacle of our technological advancements.

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. |