China Best Rooftop Solar Solutions Manufacturer & Factory

Industrial & Residential Grade Solar Energy Inverters, Advanced Hybrid Systems, and MPPT Charge Controllers Engineered for Global Energy Transitions.

Featured Industrial & Residential Solar Inverters

Engineered for extreme environments, delivering high efficiency grid tie and off-grid performance.

Hybrid Solar Power Inverter 2kw-10kw

Hybrid Solar Power Inverter 2kw 3kw 4kw 5kw 10kw on/off Grid Tie Combined with MPPT Charge Controller

Explore Specifications
24V 600W Modified Sine Wave Car Power Inverter

24V 600W Modified Sine Wave Car Power Inverter Rem600 for Mobile Utility and Recreational Vehicle Infrastructure

Explore Specifications
ABB Variable Charger VFD

ABB Variable Charger VFD 300cp43b-21 W. Eg O. Mron Ach580-01-039A-4 Low Frequency Inverter

Explore Specifications
Modified Sine Wave Portable Inverter 300W-5000W

Modified Sine Wave Portable 300W-5000W 600wdc to AC Hybrid Solar Power Inverter for Off-Grid Implementations

Explore Specifications
Max Series Hybrid Solar Inverter

Max Series Home Photovoltaic Hybrid Solar Inverter with Integrated Advanced Micro-Grid Protocols

Explore Specifications
Megarevo Solar Power Inverter

Megarevo Solar Power Mps Micro Grid Hybrid Three Phase Inverter 30kw-500kw for Commercial Use

Explore Specifications
200W Pure Sine Wave Power Inverter

200W Pure Sine Wave Power Inverter DC 12V/24V to AC 110V/220V Car Inverter for RV Camper Van

Explore Specifications
400kw Three Phase Converter Frequency Drive

High Performance 400kw Three Phase 380V to Three Phase 380V Inverter Converter AC Frequency Drive

Explore Specifications

About Guangzhou HanFong

Guangzhou HanFong New Energy Technology Co., Ltd. stands as a premier audited manufacturer and developer of comprehensive solar energy storage technologies, power inverters, and MPPT solar charge controllers. Established in 2013, we have served as an electrical engineering pioneer, advancing DC to AC power inversion solutions that drive commercial, industrial, and off-grid residential installations globally.

Strategically headquartered in Guangzhou City, China, our manufacturing headquarters boasts direct proximity to key logistics hubs, allowing efficient global containerized shipping by air and sea. Through our rigorous commitment to proprietary R&D and standardized multi-stage quality gates, HanFong products are widely recognized for their durability, superior power topology, and system integration efficiency.

Equipped with a modern 5,000 square meter factory floor and backed by over 150 proficient specialists, we seamlessly execute high-volume OEM and ODM configurations. We ensure strict adherence to European quality benchmarks, holding full CE and RoHS certifications, cementing our reputation as a trusted Tier-1 partner to global EPC contractors and distributors across North America, Europe, Africa, South America, the Middle East, and Asia.

Guangzhou HanFong Solar Inverter Factory Production Floor
2013
Established Year
5000㎡
Production Facility
150+
Energy Specialists
100%
CE / RoHS Compliant

Rooftop Solar Solutions: High-Performance Design

Deep technical architecture optimized for commercial self-consumption and resilient off-grid micro-grids.

Hybrid Multi-Mode Inverters

Integrating off-grid flexibility with grid-tied stability. Our inverters feature dual-MPPT trackers and dynamic transient response to handle unbalanced building loads, guaranteeing seamless transfer times (<10ms) during power outages.

Ultra-Fast MPPT Technology

Our proprietary algorithms achieve a tracking efficiency rating over 99.8%. This optimizes power generation during partial roof shading, varying tilt angles, and high-heat rooftop environments where module voltages naturally decline.

Advanced Thermal Management

Built with intelligent variable-speed active cooling and customized heavy-duty aluminum heatsinks. Our components are rated for continuous operation at 50°C ambient temperatures without power de-rating.

Supply Chain Efficiency from Guangzhou

HanFong's manufacturing base is strategically located in the Pearl River Delta industrial ecosystem, granting us unmatched supply chain efficiency and product adaptation speed:

Component Sourcing Integration

Direct raw material access to top-grade IGBT silicon modules, low-loss toroidal copper cores, and automotive-grade microcontrollers reduces lead times by 30% compared to non-coastal competitors.

Guangzhou Logistic Advantages

Close proximity to Nansha Port and Baiyun International Airport facilitates fast sea freight consolidations, streamlined customs clearance, and cost-effective bulk shipping worldwide.

Adaptive Production Lines

Our 5,000 square meter plant features modular surface-mount (SMT) lines and automated testing, allowing us to pivot production from off-grid recreational vehicle inverters to large-scale three-phase commercial VFDs.

HANFONG SMART ENERGY AUTOMATED SMT & TESTING 98.6% EFFICIENCY STANDARD ACHIEVED

B2B Procurement & Engineering Specifications

Providing international buyers, EPC contractors, and OEM brands with scalable customization frameworks.

Custom Voltage & Frequency Modulations

We adjust inverter output stages to align with national grid interfaces worldwide: single-phase 110V/220V split-phase systems for the Americas, three-phase 380V/400V/415V arrays for industrial markets, and 50Hz/60Hz adaptive grid synchronization protocols.

Firmware & Communication Options

Integrate with Building Energy Management Systems (BEMS) via Modbus RTU/TCP protocols. We offer embedded customized firmware configuration, external Wi-Fi, GPRS, and Bluetooth telemetry nodes for real-time monitoring and reporting.

White-Label Branding & Shell Design

From custom sheet-metal powder coating in corporate color schemes to branded packaging and regulatory compliance labeling, our R&D team provides comprehensive industrial engineering adjustments to meet local brand requirements.

EUROPE (CE/RoHS) EN 62109-1 / EN 62109-2 EN 50549 Grid-Tie Code RoHS Chemical Compliance THE AMERICAS UL 1741 Standard Testing IEEE 1547 Interconnection FCC Part 15 Emissions FACTORY STANDARDS (ISO 9001:2015) Automated Testing & Full In-Circuit Diagnostics IP20/IP65 Environmental Protection Enclosures Dynamic Load Cycling before Global Dispatch

Global Compliance & Localized Integration

Navigating varying regional grid dynamics is the primary challenge in commercial PV projects. HanFong provides engineering solutions customized for local grid interconnection requirements:

Grid Compliance Adaptability

Designed with active anti-islanding protection and reactive power control, meeting grid feed-in regulations like Germany’s VDE-AR-N 4105 and North America’s IEEE 1547.

Harsh Climate Optimization

Protected by IP65 enclosures and anti-corrosion marine-grade coatings, ensuring reliable operation in high-salinity coastal areas and high-humidity equatorial climates.

Advanced Battery Management

Fully compatible with lead-acid (Gel/AGM) and next-gen lithium iron phosphate (LiFePO4) storage arrays, optimizing battery lifespan through temperature-compensated charging curves.

Targeted Solar Application Scenarios

Optimized performance profiles built for specific commercial, residential, and agricultural demands.

Commercial Self-Consumption

Designed for factories and office parks to reduce peak tariffs. Our system prioritizes solar power for local loads during peak times, using energy storage to shave load spikes and lower demand charges.

Remote Telecom & Off-Grid Microgrids

Engineered for high reliability, our off-grid inverters and MPPT charge controllers provide stable power for off-grid communities, mining camps, and remote telecommunications towers.

Agricultural Water Management

Our Variable Frequency Drives (VFDs) run high-power agricultural pumps directly from PV arrays without battery storage, matching motor speeds to solar irradiance for maximum water yield.

Leading Edge Solar Innovation

Emerging trends in clean energy integration, advanced energy analytics, and power grid optimization.

1. AI-Driven Smart Diagnostics

Next-generation inverters utilize neural networks to analyze electrical noise and load patterns, predicting hardware faults and scheduling preventive maintenance before system disruption. HanFong is integrating these algorithms to safeguard critical systems and extend operating lifetimes.

2. Wide-Bandgap Semiconductor Topologies

Transitioning from traditional silicon to Silicon Carbide (SiC) and Gallium Nitride (GaN) switching components allows inverters to run at higher switching frequencies. This reduces heat generation and filter size, yielding lighter enclosures with efficiencies exceeding 99%.

Technical Knowledge Base & FAQs

Detailed technical insights for solar system designers, procurement directors, and plant managers.

What is the difference between high-frequency and low-frequency inverters?

Low-frequency inverters use a robust toroidal copper transformer to handle large voltage surges. This makes them ideal for starting heavy inductive loads like air conditioners, compressors, and water pumps. High-frequency inverters use electronic switching components instead, offering a lighter weight, smaller footprint, and higher efficiency under steady resistive loads, making them perfect for residential installations and office equipment.

How does the MPPT charge controller track solar irradiance?

Our Maximum Power Point Tracking (MPPT) software scans the full voltage range of the PV string every few seconds to identify the optimal current-voltage point (Pmp). This dynamic tracking maintains high charger efficiency (up to 99.8%) during rapid changes in solar irradiance, such as passing clouds, hazy conditions, or high cell temperatures.

Are HanFong inverters compatible with third-party Lithium batteries?

Yes. HanFong hybrid power systems support communication integration with major lithium battery brands via RS485 and CAN interfaces. By connecting directly with the Battery Management System (BMS), the inverter receives cell voltages, state of charge (SoC), and temperature limits in real time, preventing overcharging and extending battery life.

How does Guangzhou HanFong ensure quality control in volume production?

We maintain strict quality control at every phase: Incoming Quality Control (IQC) for components, In-Process Quality Control (IPQC) on our automated SMT assembly lines, and Final Quality Control (FQC) which includes full load testing under high ambient temperatures. Every inverter undergoes automated diagnostics before packaging to verify safety and efficiency standards.

What certifications do HanFong solar solutions carry for grid tie?

Our complete inverter and controller lineups comply with European standards, holding CE, RoHS, and LVD certifications. We also adapt firmware for regional grid codes, incorporating active islanding detection and grid voltage stabilization to facilitate smooth project approvals and grid interconnection.

What is the typical B2B OEM / ODM project timeline?

Standard products ship within 10 to 15 days, while customized OEM/ODM projects average 25 to 35 days. This engineering process includes circuit board optimization, custom metal chassis production, firmware integration, and multi-stage testing, ensuring high reliability for custom branded equipment.

Grid Frequency Inverters, Batteries & Smart VFD Systems

Premium balance-of-system solutions designed for commercial energy storage and industrial motor control.

220V 2s 0.7kw VFD Variable Frequency Inverter

220V 2s 0.7kw 4A Single Phase Variable Frequency Inverter Motor AC Drive Frequency AC Inverter VFD

Explore Specifications
Deye Solar Power Inverter

China Manufacturers Deye Solar Power Inverter Pure Sine Wave 5kw 8kw 10kw 12kw Single/Three Phase Hybrid Inverter

Explore Specifications
48V 100ah Lithium Battery Pack

48V100ah Racked Mounted Lithium Battery 51.2V 20kwh 5kwh 10kwh 15kwh LiFePO4 Battery Pack Home Use

Explore Specifications
Low Frequency Inverter Charger 1000W

Low Frequency Inverter Charger 1000W 12V 24VDC with Toroidal Transformer and Max 50AMP AC Charger

Explore Specifications
High Voltage VFD Drive Acs800-104LC

High Voltage Variable Frequency Inverter Acs800-104LC for Industrial Use VFD Drive Systems

Explore Specifications
Pure Sine Wave Power Inverter Price

300W/500W/1500W/2000W/3000W/5000W/6000W Converter Pure Sine Wave Power Inverter Factory Direct Pricing

Explore Specifications
5500W Hybrid Inverter Built-in MPPT

5500W Hybrid Inverter Built-in MPPT Pure Sine Wave UPS for Uninterrupted Commercial and Datacenter Protection

Explore Specifications
Kuvo CHF100A 37kw VFD Inverter

Kuvo CHF100A 37kw Intelligent VFD Inverter for Industrial Cooling Tower Applications and Pumping Loops

Explore Specifications