Since founding in 2011, Dahai Solar hold a profound belief in the power of the sun to provide clean and sustainable energy to the world. That is why Dahai have made it a mission to manufacture premium photovoltaic cells and green energy products for businesses and consumers alike. Dahai team of dedicated experts works tirelessly to ensure that every single one of photovoltaic cells is crafted to perfection, using the most advanced PV technologies available today. They produce superior energy output with optimum efficiency, meaning more energy can be produced from a smaller number of solar panels.

Dahai implement rigorous quality control testing at every stage of the manufacturing process to make sure every panel produce can withstand even the harshest weather conditions.

Clean energy only works if you can use it dependably and efficiently. To help achieve this, Dahai also manufactures hybrid inverters and a wide range of batteries to the same rigorous standards as our solar panels, ensuring top-notch performance and durability for a steady supply of renewable power. You can rely on Dahai's modules to generate energy for your businesses without worrying about frequent replacements or repairs.

As a global leader in photovoltaic cell manufacturing, Dahai understand every customer is different, so it will take into account all the unique factors that are most important to you, like budgets and energy production targets, while striving to help you achieve a fast return on your investment.

Dahai believes that clean energy

About Topband

Focus on LiFePO4 Battery Manufacturing for 17 Years

Shenzhen Topband Battery Co., Ltd.,established in 2006, is a wholly-owned subsidiary of Shenzhen Topband Co., Ltd. (002139.SZ). We focus on lithium iron phosphate batteries,with independent research and development in cells and BMS. With the ability to integrate the entire industry chain, we are committed to providing customers with one-stop lithium battery solutions and services. Our quality products are widely used in energy storage and light power.

Our headquarter locate Shenzhen and we have around 70000 square meters production base.After years of rapid development, now Topband takes lithium battery as the core technology and has become one of the  leading suppliers of lithium battery solutions in China, focusing on lithium iron phosphate/ LiFePO4 technology for  EV, RV/ caravan, marine, motorcycle, golf cart / trolly, UPS, solar storage, medical, floor scrubber, industrial, commercial use, etc with good and safety solution.

About Gresgying

A Reliable EV Charging Station Manufacturer

A high-tech company of integrated digital energy solutions.
As a professional EV charger manufacturer, Gresgying aims to realize a low-carbon world by providing new energy power to charge electric vehicles.

A main board-listed company with stock code 600212.
Gresgying’s R&D center is headquartered in Xi’an, covering an area of 8,000 square meters, and our production center is located in Nanchong, covering an area of 30,000 square meters. Our business covers more than 50 countries in Asia, Europe, America, and Oceania.

Gresgying focuses on providing new energy charging services for Electric Vehicles.
We are dedicated to the development of EV chargers, energy storage systems, microgrid systems, and energy management systems.


R&D Personnel


Patents & Software Works


R&D and Production Base