Product Development and Manufacturing

Based on the foundation of excellence, we create new value for our customers.

PV Inverter

Liquid-Cooling Energy Storage Cabinet

AC EV Charger

Network Connectivity

Flexible and Agile Production to Efficiently Respond to Dynamic Market Demands

Billion Group focuses on innovative technology development and efficient production to deliver high-quality, high-performance products and solutions to the global market. By integrating cutting-edge technologies with rigorous quality management, we have established a comprehensive production system covers 5G/Wi-Fi communication equipment, photovoltaic products, energy storage systems, and electric vehicle chargers.


Leading Global Energy Transition

Billion Group remains at the forefront of technology innovating and efficient manufacturing, and continues to contribute to the global energy transition through integrated solutions for solar power, charging, and energy storage. Our products are widely used across residential, industrial, and commercial fields, earning trust and recognition in international markets.

Focusing on Technology Innovation and Leading Quality

In the process of product development and manufacturing, we adhere to the idea of technology innovation and leading quality,  and adopt internal and external double testing methods,  including dielectric withstand test, environmental simulation test and international laboratory verification, and fully comply with global standards such as CE, FCC, UL and power storage/ESS.

Outstanding Manufacturing Capability

From incoming inspection to finished product testing,  we implement a five-step quality management system across the entire production process to ensure comprehensive quality assurance. Combined with the integration of automation and efficient technology, through strict quality control and lean production optimization, we continue to deliver excellent product quality that exceeds customers' expectations.

Manufacturing Facility


ESS Products Battery Production

  • Integrated lithium battery materials production, testing and module design to provide cost-effective products.
  • 40 years of dedication to Taiwan's local supply chain, focusing on stable and reliable manufacturing capabilities.

Quality Management System ISO 9001:2015


Solutions: Industrial & Commercial ESS, Microgrid and Distributed Energy Resources, Residential ESS


Products and Services: Lithium iron phosphate battery module and management system

Solar PV/ESS/EV Charging Products

As the key manufacturing base of Billion Group's  solar, storage, and charging products, Longde plant integrates advanced production equipment with efficient space planning to meet the diverse needs of high-quality equipment in global energy transition.

  • Efficient and Reliable Assembly and Testing Capabilities: Comprehensive services including product assembly, performance testing, and pressure testing to ensure stable, safe, and reliable product quality.
  • Modular Design and Flexible Production: Adaptable to various market demands, accommodating different scales and types of orders.

Core Network Communication Products Manufacturing Base

As Billion Group's core manufacturing base for networking communication products, Xindian Plant equips with advanced production facilities and comprehensive multi-layer testing systems to ensure stable and reliable quality to meet the diverse global market demands for router products.


Solution: enterprise private networks, fixed wireless access, industrial IoT


Products and Services: Offering 5G/LTE routers and industrial-grade network switches for applications in vehicle/rail transport, enterprise/telecom, industrial, power, and outdoor places, covering a wide range of product lines.

Emphasis on R&D, innovation and quality management.

In-house production and collaboration with large-scale OEM/ODM partners.

Continuously challenging ourselves and inspiring employees for sustainable growth.

Creating cost-effective and value-added solutions to provide highly attractive cost-performance ratio.


Manufacturing & Testing Equipment


Networking Production Line

Certification