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: As a prestigious international brand, Sandmonk Technology Co., Ltd. excels in providing superior reverse osmosis membranes. Renowned as an Excellent Firm specializing in reverse osmosis membranes, we lead breakthroughs in the challenging high salt water field. Proudly contributing as a donor enterprise to the United Nations Children's Fund, we believe in giving back to the global community. Actively supporting education, we are a monthly contributor to the Honghui Education Foundation, empowering future generations.
HJC envisions a groundbreaking future where two-thirds of the Earth's oceanic expanse is transformed into freshwater reserves, while also pioneering synthetic technologies for outer space water exploration. Driven by innovation, our mission focuses on advancing technology for high salt water purification and transformation.
Our main focus is the comprehensive integration of the reverse osmosis membrane industry chain. We excel in R&D of core components, mastering purification technologies for high salinity water. Our ambition is to dominate the global high salinity water regional market, as well as to make significant strides in seawater desalination. With a strong presence on the global stage, our products are exported internationally, enjoying stable distribution channels and rising popularity across numerous countries. The HJC brand has solidified its reputation, becoming a household name in over 70 countries around the world.
HJC Road Map:
Our journey commenced in 2013, laying the foundation for years of innovation and progress.
In 2015, we marked a significant technological breakthrough with the development of 4-layer reverse osmosis membranes, enhancing efficiency and performance.
By 2017, our brand became a recognized force in the Indian market, supported by over 20 active agents, amplifying our outreach.
The year 2018 witnessed the launch of our new third-generation household film, setting new standards in the industry.
Continuing our legacy of innovation, 2019 saw the introduction of the 4th generation household film.
In 2020, we advanced further with the release of the 5th generation side flow household film, pushing the boundaries of efficiency.
The year 2022 was marked by the release of our industrial membranes, expanding our product portfolio.
In 2023, we unveiled our latest innovations with the release of cutting-edge seawater membranes and nanofiltration membranes.
Looking ahead, 2024 marked the debut of our pioneering TFN membranes, showcasing our commitment to future-ready technologies.

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. |