Our Story
About Youzhong
Youzhong New Energy (Shenzhen) Co., Ltd. is a full industrial chain with technological innovation as its core, mastering high-performance frequency conversion vector control, photovoltaic MPPT technology, and a number of software works and invention patents. A national high-tech enterprise integrating scientific research, production and technology application.


YOUZHONG NEW ENERGY (SHENZHEN) CO.,LTD is a technological innovation oriented national high-tech enterprise owning the variable frequency vector control technology, Photovoltaic MPPT technology, various software copyrights and invention patents, integerated with research, production, and technology.

Quality, technology and manufacturing ability is our prominent advantage. We have over ten years of experience of designing and manufacturing in variable frequency drive that endoved us with excellent quality control and manufacturing ability. Quality is the foundation of our customers' constant trust on us. YOUZHONG is dedicated to intelligent pump drive solutions and supply various kinds of simple-operation series of pump drive, permanent magnetic pump drive, photovaltaic pump drive and have established long term strategic cooperation with many pump manufactures. We have finished lots of energy-saving projects of water supply, accumulated rich experience of developing products and customers and built a good reputation in the industry.

Adhering to the principle of pragmatism, innovation, cooperation and commitment, YOUZHONG is specialized in intelligent pump applications and devotes itself to solutions of global photovoltaic and water supplying system, enables users to enjoy the comfort of using water with constant pressure and makes significant contributions to solving the global energy and ecological problems.

Customization of water pump intelligent frequency conversion system

Through communication with customers, we have continuously improved the service provided for the water pump frequency conversion project. As an international leading supplier of intelligent frequency conversion solutions for water pumps, Marathon’s goal is to turn innovative ideas into reality and provide excellent services to every manufacturer and user in the process of project cooperation. In the process of research and development, Marathon can provide professional and reliable technical support from the initial conceptual design to the product putting into use-to ensure the user's high-quality water experience.

We pay attention to the individual needs of each partner and user. By collecting and analyzing the project data of the manufacturer's design team, we perfectly provide customers with the latest intelligent water pump frequency conversion solutions, and customize the production of more humane products.

Top R&D team

Marathon, use wisdom to convey scientific and technological ideas...

R&D design is the core and soul of the product. Youzhong has set up multiple R&D centers in pursuit of product functionality and artistry, bringing together design experts from different fields to gain insights into the development trends of domestic and foreign smart pump product design. Humane environment and living habits are scientifically designed, and a number of series of fool-type water pump frequency conversion, permanent magnet frequency conversion, and photovoltaic pumping frequency conversion products have been introduced to meet the needs of various users.

Marathon is not only ingenious in products, but also attaches great importance to the protection of intellectual property rights, and has applied for numerous design and invention patents in China.


R&D is the core and soul of products. MARASEN is in pursuit of excellent functional and artistic product. We have set up many research centers where experts from different industries are gathered here to design and develop products based on the different local habits and cultures in different regions and worked outvarious series of simple-operate water pump drives, photovovoltaic pump drives, permanent magetic variable frequency drives to meet the needs of differenent customers.

MARASEN not only focuses on product itself but also pays attention to the protection of intellectural property and have got many invention patents in China.

Marathon Service System

Service and service, production, customer peace of mind

In order to satisfy all customers to experience the product experience of Youzhong frequency conversion in time, we provide customers with a variety of service solutions. Headquarters dedicated line 7x24 hour response service, national free 400 hotline consultation, product function operation video demonstration, real-time video answer ......In order to improve the quality and efficiency of Youzhong's services, we have established cooperative service outlets and directly affiliated service centers (105) in all cities and counties across the country. At the same time, we have also established a team of application experts to provide solutions for faults in complex applications. Program. Not only that, we also provide tailor-made pump control solutions and extended services to meet the needs of different customers.
To offer customized solution, We provide specific product model to identify the solution is right for you and by using computer-aiding engineering software and conduction simulation test in our design and application center, MARASEN intelligent pump drive is in perfect combination with a variety of brandpumps.