Tell : 0086 135 1058 5626            E-mail :  info@nasn.cn

EV CHARGER

All solutions from AC slow to DC fast, solar type, battery built-in are available. Professional solution, Tailored scheme, OEM/ODM service. Warmly inquiry.

BATTERY PRODUCT

Battery built-in products provide grid free solution for end user, and real realize freedom travel and camping by Electric Vehicle.

POWER SUPPLY

AC-DC rectifier, DC -AC inverter, DC-DC converter, UPS, professional power supply solutions, green energy expert around you.
 

About NASN

Established in 2015, GUANGZHOU NASN POWER CO.,LTD is a professional EV charger, DC power supply and battery storage solution provider and enterprise in China, a wholly owned subsidy of NASN ELECTRONICS (HONGKONG) CO., LIMITED.

GUANGZHOU NASN POWER CO.,LTD is dedicated to producing and manufacturing AC EV charger, DC EV charger, DC power supply and battery storage products.
Why Choose Us
With rich experience and research institutions, advanced equipment and professional technical teams
  • OEM/ODM
    We have the experience, capability, and R&D resources to make any OEM/OEM integration a glowing success.
    NASN is an extremely versatile turnkey manufacturer with the ability to bring your concepts and ideas into viable solutions.
    From concept to finish, in a highly focused effort to bring industry level products and services to you.​​​​​​​
  • Manufacturing
    Over 2,800 square meters of factory space, along with the professional manufacturing equipment gives us the capacity to fully service OEM/ODM business and
    achieve high quality on time deliveries with a low cost. We have the advanced SMT assembly lines and optical inspection systems utilizing the lead-free technology.
    Our manufacturing facilities are ISO-9001 and ISO-14001 certified. ​​​​​​​
  • One Stop Service
    Make sure each product let customer happy to see and use it with confidence. Help customer improve business in the shortly time.
    ​​​​​​​
  • Quality Control
    We attach great importance to the reputation accumulated in the market, strictly control product quality, and follow up in time if there is any problem, so that every customer is satisfied.

Get A Free Quote

Professions cast the brand, service creating value, GUANGZHOU NASN POWER CO.,LTD sincerely to build long terms relationship with clients, Win-Win in the world!

News and Events

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  • Industrial Switching Power Supply Rectifier 220VDC 175KW.png

    Industrial Switching Power Supply / Rectifier 220VDC 175KW

    Equipment Type: Industrial Switching Power Supply / DC Rectifier (Suitable for continuous duty).Nominal Power: 175 kW.Input Voltage: Three-phase 380V/400V/440V(suitable for industrial power grids; ).Output Voltage: 220 VDC.Output Current: 804A based on the 175 kW power rating at 220 VDC.Regulation:

    01 06 2026
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    Key Components Inside A Solar Grid-tie Cabinet

    A solar grid-tie cabinet (PV AC combiner box) is the critical interface between inverters and the utility grid. Ensuring safety and compliance, its internal layout centers on ten essential components. The disconnect switch isolates power for maintenance, while the molded case circuit breaker (MCCB)

    28 05 2026
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    Overview of Photovoltaic Power Plant Workflow and Core Equipment

    A photovoltaic (PV) power plant converts sunlight into usable electricity through an integrated system, achieving the model of "self-consumption with surplus feeding to the grid." The power generation process involves four main steps: First, solar panels absorb sunlight and generate direct current (

    27 05 2026
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    Planning PV Inverter Space: Avoiding Large-Scale Site Failures

    In large-scale photovoltaic (PV) power plant projects, inadequate space planning for inverter installation is a critical yet often overlooked risk. During the preliminary design phase, engineers sometimes focus solely on the number of units and total capacity, neglecting the physical footprint requi

    26 05 2026
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    Zero-Sequence Vs. Gap Protection in Power Transformers

    Transformer neutral point protection is critical for system stability. Zero-sequence current protection acts as a backup for internal faults and adjacent ground faults. Its configuration depends on the grounding status. When the neutral is directly grounded, a two-stage overcurrent scheme is used: s

    25 05 2026
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    Hardwired vs. Communication: The PLC Debate in Industrial Automation

    In industrial automation, the choice between traditional hardwired signals and digital communication (like PROFINET or Modbus) sparks constant debate. Hardwiring uses physical cables and relays to transmit I/O signals. It is intuitive for many electricians who rely on multimeters for troubleshooting

    22 05 2026
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    Why High-Voltage Power Lines Have No Insulation

    High-voltage transmission lines often appear as bare metal wires strung high above the ground without any insulating cover. Many people wonder why such dangerous electricity is not wrapped in protective plastic like household cables. The answer lies in physics, economics, and safety engineering. Fir

    21 05 2026
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    VFD Energy Saving: Myths, Facts, and Application Conditions

    Variable Frequency Drives (VFDs) are often mislabeled as universal energy savers. While they can cut power costs by up to 40%, they can also increase consumption if applied incorrectly. Here is the technical reality.The Efficiency Trade-offA VFD is a speed controller, not a "magic" saver. It convert

    20 05 2026
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    Why German Workers Turn Bolts “Three Turns, Then Half Back”: The Science of Precision Fastening

    In German high-end manufacturing, workers often tighten bolts three full turns, then loosen half a turn—a step many assume is redundant. But direct two-and-a-half turns can’t match its reliability. When fully tightened, bolts enter elastic deformation to store preload force. Under constant heat or v

    19 05 2026
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    Core Essentials of Electrical Panel Safety Management

    Electrical distribution panels are critical nodes in power systems, and their safety management directly impacts life and property. Firstly, environmental compliance is fundamental. Maintain at least 1.2 meters of clear access in front of panels, prohibit flammable storage, and display "Danger: Elec

    18 05 2026
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    Transformers "Aluminum Instead of Copper": Hidden Public Safety Risks & Industry Fraud

    In the field of power equipment manufacturing, the fraudulent practice of using "aluminum instead of copper" in transformers is becoming a serious threat to public safety and industry reputation. This phenomenon refers to manufacturers illegally substituting high-conductivity copper windings with al

    15 05 2026
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    Mastering Quick Current Estimation: Electrician’s Power-to-Amp Rules

    In practical electrical work, calculating exact current values using complex formulas like P = √3 × V × I × PF  is often unnecessary for on-site decisions.  Veteran electricians rely on simplified "rules of thumb" to estimate current instantly from power ratings. For three-phase motors above 3kW, th

    14 05 2026
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    The Case of Capitalization in Electrical Units

    In scientific and engineering writing, precision extends beyond calculations to the symbols themselves. The International System of Units (SI) defines strict rules for capitalization that are often overlooked. A core rule is that symbols derived from proper names are capitalized, while prefix symbol

    13 05 2026
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    12 05 2026
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    Surge Protective Devices (SPD): How They Work, Types, and Selection Guide

    A transient overvoltage (surge), caused by lightning strikes or switching operations, can severely damage sensitive electronic equipment. A Surge Protective Device (SPD), also called a surge arrester or surge protector, normally stays in a high-impedance state during normal operation. When the line

    11 05 2026
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    SVG Vs SVC: Comparison of Static Var Generator And Static Var Compensator

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    08 05 2026
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    Why VFDs Cause Premature Motor Failure And How Output Filters Fix It

    Problem Phenomenon: Many users encounter premature motor failures, such as bearing damage and stator insulation breakdown, often within just a few months of operation. Even after replacing the failed units with premium-branded motors, the issues persist. Most technicians tend to troubleshoot the mot

    07 05 2026
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    How Many kW Can a 1000kVA Transformer Supply? — kVA to kW Conversion and Power Factor Explained

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    06 05 2026
  • Deep Dive into the 125V A-Series Rectifier Unveiling THD Metrics and High-Efficiency Features.jpg

    Deep Dive into the 125V A-Series Rectifier: Unveiling THD Metrics and High-Efficiency Features

    In data centers, telecommunications base stations, and industrial automation, stable and efficient DC power is the cornerstone of system operation. NASN POWER 125VDC A-Series Rectifier has become a top choice for many engineers due to its superior performance and reliability. This article will deepl

    05 05 2026

ABOUT NASN

GUANGZHOU NASN POWER CO.,LTD is a professional EV charger, DC power supply and battery storage solution provider and enterprise in China, a wholly owned subsidy of NASN ELECTRONICS (HONGKONG) CO., LIMITED.

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CONTACT US

   Contact person : Florence
   Tell : +86-20-86857678
    Phone : +86-135 1058 5626
    QQ : 28243245
    E-mail : info@nasn.cn
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