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Why choose us？
Core Raw Materials
DFD is a leader in the domestic fluorine materials and global lithium
Control System
The company has assembled a team of outstanding talents in R&D, engineering, and management, possessing strong design and development capabilities along with robust production quality assurance.
Photovoltaic Module
Zhongning Silicon Industry, a subsidiary of DFD, stands out as the only silane manufacturer in China operating simultaneously in three major industries: semiconductors, liquid crystal displays, and photovoltaics.
Battery
One in every four lithium batteries worldwide is produced using materials from Polyfluorides. Currently, the combined effective production capacity of the Jiaozuo facility in Henan and the Nanning facility in Guangxi has reached 8.5 GWh, establishing them as key hubs in China's battery and new materials industries.
ENERGY STORAGE PRODUCT SERIES
 
Industrial and Commercial Energy Storage Power Station
The system features a fully enclosed integrated design with an outdoor IP54 protection level. The cabinet incorporates a high-safety, long-life battery system, a balanced BMS, a high-performance AC/DC converter, a precision liquid cooling temperature control system, and a safe, efficient fire control system. It supports functions such as load tracking, peak shaving and valley filling, power expansion, and emergency power backup.
Main selling points：
1. Independent fire zones for each cluster, ensuring a high safety level.  
2. Seamless switching with dual-circuit redundant power supply.  
3. Superior battery performance with extended service life.  
4. Safe, reliable battery cells sourced from reputable manufacturers, offering excellent cost-effectiveness.  
5. Modular design for easy production and installation.  
6. Optimized for cost efficiency with a compact, lightweight design.  

Stacked Wall-Mounted Machine
The stacked wall-mounted machine is an innovative, integrated, and intelligent backup power solution. It is ideal for home solar storage and off-grid power generation. With a flexible assembly design, it supports stackable and wall-mounted configurations, saving space and enhancing convenience. Equipped with a reliable BMS (Battery Management System), it ensures protection against short circuits, overcharging, and overheating.
Main selling points：
1. High cycling capability and extended service life.  
2. Exceptional battery performance for reliable operation over time.  
3. Modular battery design for effortless capacity expansion.  
4. Uninterrupted power supply with automatic switching functionality.  
5. Pure sine wave output for compatibility with sensitive electrical devices.  
6. Comprehensive safety features for enhanced protection. 

500W Portable Power System
The 500W portable power system features an elegant design with a convenient handle for easy transport. This compact and versatile energy storage device serves as a pure sine wave outdoor emergency solar power station generator, ensuring wide compatibility with various electronic devices and equipment.
Main selling points：
1.Independent fire zones for each cluster, ensuring a high level of safety.
2.Dual-circuit redundant power supply with seamless switching for uninterrupted operation.
3.Exceptional battery performance with extended service life.
4.High-quality, reliable battery cells sourced from listed manufacturers, offering excellent cost-effectiveness.
5.Modular design for streamlined production and easy installation.
6.Optimized for cost efficiency, featuring a compact, lightweight design for enhanced portability.

Backup Power System
The 5000W portable power system has ultra-large capacity and long battery life. Specifications can be customized according to customer needs. Smart LED display accurately displays battery status and remaining power.
Main selling points：
1. High cycling capability and extended service life.  
2. Exceptional battery performance for reliable operation over time.  
3. Modular battery design for effortless capacity expansion.  
4. Uninterrupted power supply with automatic switching functionality.  
5. Pure sine wave output for compatibility with sensitive electrical devices.  
6. Comprehensive safety features for enhanced protection.