About HYHD.Tech
HYHD. Tech (Huayuan Hongda) is a premier technology conglomerate and a global leader in advanced new energy system solutions.
As a subsidiary of King's Stone Holdings Group Ltd (1943. HK), we are dedicated to the vision of "Leading the New Era of Green Energy." Recognized as a National High-tech Enterprise and a specialized "Little Giant" in the Chinese technology sector, HYHD. Tech combines deep R&D capabilities with Industry 4.0 manufacturing to power the future.
With a workforce of over 600—including a technical team of PhDs and Chief Scientists—we deliver comprehensive energy solutions ranging from raw pouch cells (NCM) and LiFePO4 prismatic cells to integrated Battery Management Systems (BMS).
HYHD. Tech (Huayuan Hongda) Operates from four strategic bases (Shenzhen, Hunan, Guiyang), our fully digitalized "Transparent Factory" utilizes Japanese Panasonic coating dies and German IPG lasers to ensure a 99.9% qualification rate. HYHD. Tech holds over 200 patents and global certifications including ISO9001, IATF16949, UL, IEC, and TUV.
387,000+ m²
Advanced Plant
2,500+
Skilled Staff
6 GWH+
Annual Production Capacity
22+
Years of Experience
Drone Power & The Low-Altitude Economy
Drone Power & The Low-Altitude Economy backed to 2004,Herewin, the drone battery brand of HYHD. Tech, is a pioneer in intelligent power systems for the low-altitude economy. We supply high-performance pouch cell batteries for agricultural drones, FPVs, eVTOLs, tethered drone systems, and RC hobbies.
Market Leader
A trusted supplier on the DJI whitelist and Hobbyking,with over 1,000,000 drone battery sets and RC battery sets delivered.
High-Performance
Inside our all our high performance batteries,We are able to manufacture the advanced pouch cells with semi-solid state NCM electrolyte raw materials ,and with energydensity that up to (680Wh/L)
Finished Batteries Packs
Also finished batteries packs , achieves fast-charging (5C), high-rate discharge cells (120C) and utilizing high-precision SOX algorithms with highly matched BMS.
Exhibition Contents
E-Mobility Solutions As a key supplier for major brands like Yadea, Meituan, and Hello, we have delivered over 1.5 million battery sets for electric two-wheelers, backed by expertise in battery-swapping platforms.
Why Choose Us
100%
Service Satisfaction
100%
Quality Satisfaction
100%
Customer Satisfaction
1. Energy Storage Integration (ESS) We provide end-to-end digital energy solutions for Residential, C&I, and Utility-scale applications. Our proprietary Eco-level Smart BMS ensures safety and efficiency across our product line, from 5kWh residential wall-mount systems to 5MWh DC liquid-cooled containers for grid storage.
2. Advanced Cell Manufacturing We specialize in high-safety LiFePO4 (LFP) cells ranging from 50Ah to 314Ah. Featuring multi-tab stacking technology and low-impedance electrodes, our cells offer ultra-long lifecycles (>10,000 cycles) suitable for emergency and military-grade applications.