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 an international brand specializing in reverse osmosis membranes, Sandmonk Technology Co., Ltd. has cemented its reputation on a global scale, delivering unmatched quality and innovation. Excelling in the realm of R O membranes, particularly for the high-salt water field, we provide exceptional solutions that meet the highest industry standards. We take pride in being a dedicated donor to the United Nations Children's Fund, reflecting our commitment to social responsibility and global welfare. As a monthly donor to the Honghui Education Foundation, we support educational advancements and contribute to a brighter future for the next generation.
HJC vision is a visionary ambition to transform two-thirds of Earth's seawater into freshwater reserves while pioneering synthetic technologies for exploring extraterrestrial water sources. Our mission is to push the boundaries of innovation in high-salt water technology, crafting solutions that set the benchmark for the industry.
Primarily, we focus on integrating the R O membrane industry chain and advancing research and development of core components. By mastering the core technology of purifying high salinity water, we are poised to lead in the global high salinity regional market and seawater desalination efforts. Exporting our products overseas, we have established stable channels and garnered popularity across multiple countries, reinforcing our global presence. Our brand, H J C, has become synonymous with excellence, recognized as a well-known brand in more than 70 countries worldwide.
HJC Road Map:
Established in 2013, we laid the foundation for pioneering advancements in reverse osmosis technologies.
In 2015, we marked a significant milestone by achieving a technological breakthrough in 4-layer reverse osmosis membranes, setting a new standard in the industry.
By 2017, we had established a prominent brand presence in the Indian market with over 20 agents, expanding our influence and reach.
In 2018, we proudly unveiled a new third-generation household film, designed to meet the evolving needs of our customers.
2019 saw the release of the groundbreaking 4th generation household film, offering enhanced performance and reliability.
With the launch of the 5th generation side flow household film in 2020, we continued to innovate and set new benchmarks in the industry.
The year 2022 witnessed the introduction of our advanced industrial membranes, catering to diverse industry needs.
In 2023, we expanded our offerings with the release of state-of-the-art seawater membranes and cutting-edge nanofiltration membranes.
2024 marked the release of our pioneering TFN membranes, further solidifying our position as industry leaders.

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. |