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Low Voltage Switch Equipment
LOW VOLTAGE SWITCHGEAR
Anhui Wanxiang Electric Power Equipment Co., Ltd.
Anhui Wanxiang Electric Power Equipment Co. LTD
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Anhui Wanxiang Electric Power Equipment Co., Ltd. Anhui Wanxiang Electric Power Equipment Co., Ltd.
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Anhui Wanxiang Electric Power Equipment Co., Ltd.
State Grid Grid-connected Enterprises
Yuanxiang Electric
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Anhui Wanxiang Electric Power Equipment Co. LTD Technological Innovation: Building a Century-Old Wanxiang
AC Low Voltage Power Switch Box
GGD Mould
summary ：
The GGD-type AC low-voltage distribution cabinet is designed for power distribution systems in power
plants, substations, industrial plants, and other electrical user sites operating on AC 50Hz, with a rated working
voltage of 380V and a rated working current up to 3,150A; it is used for the conversion, distribution, and control
of electrical energy for power supply, lighting, and other distribution applications. The GGD-type AC low-voltage
distribution cabinet is a new type of low-voltage distribution cabinet developed in accordance with the
requirements of the competent authorities under the Ministry of Energy, as well as the needs of various power
users and design departments, adhering to the principles of safety, economy, rationality, and reliability. This
product features high breaking capacity, excellent dynamic and thermal stability, flexible electrical
configurations, ease of assembly, comprehensive series availability, strong practicality, innovative structure, and
a high protection rating; it can serve as a next-generation replacement for low-voltage complete switchgear.
The GGD-type AC low-voltage distribution cabinet complies with standards such as IEC 439 \"Complete
Switchgear and Control Equipment for Low Voltage\" and GB/T 7251 \"Complete Switchgear for Low Voltage\".
Auxiliary Circuit Solution
Code | Main Circuit
Solution Code | Design
Sequence Number:
1、 Breaking capacity: 15 kA
2、 Breaking capacity: 30 kA
3、 Breaking capacity: 50 kA
Power Distribution Cabinets
Fixed mounting and fixed wiring for
electrical components in AC lowvoltage distribution cabinets
G G D
Product Model Description:
Yuanxiang Electric
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Anhui Wanxiang Electric Power Equipment Co. LTD Technological Innovation: Building a Century-Old Wanxiang
1、 The ambient air temperature shall not exceed +40 °C nor be lower than –5 °C; the average
temperature over a 24-hour period shall not exceed +35 °C;
2、 For indoor installation and use, the altitude of the installation site shall not exceed 2,000 m;
3、 The relative humidity of the surrounding air shall not exceed 50% at the maximum temperature
of +40°C; at lower temperatures, a higher relative humidity is permissible (e.g., 90% at 20°C);
consideration should be given to the potential occurrence of condensation due to temperature
fluctuations.
4、 During equipment installation, the inclination relative to the vertical plane shall not exceed 5°;
5、 The equipment shall be installed in a location free from severe vibration or impact, as well as in
an environment where it will not expose electrical components to corrosion;
6、 If the user has specific requirements, they may negotiate with the manufacturer to resolve them.
service condition ：
behaviour of electricity ：
Model Rated voltage （V）
Rated short-circuit current
Drop-out current （kA）
Nominal short-time withstand
current
(1s)(kA)
Rated peak withstand current
(kA)
A 1000
B 600(630)
C 400
A 1500(1600)
B 1000
C 600
A 3150
B 2500
C 2000
GGD3 380（400） 50 50 105
30
GGD2 380（400） 30 30 63
Rated current （A）
GGD1 380（400） 15 15
Basic electrical parameters
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Anhui Wanxiang Electric Power Equipment Co. LTD Technological Innovation: Building a Century-Old Wanxiang
Low-Voltage Withdrawable Switchgear
GCS Mould
summary ：
The GCS-type low-voltage withdrawable switchgear (hereinafter referred to as \"the device\") is a
low-voltage \"scanning-type\" switchgear designed by a joint design team comprising two ministries, in
accordance with the requirements of industry authorities, power consumers, and design units; it is
tailored to local conditions, features high technical performance specifications, can meet the demands of
the power market, and is capable of competing with existing imported products. This device has already
been widely adopted by power consumers.
The GCS equipment is suitable for power distribution systems in various industries, including power
plants, petroleum, chemical, metallurgical, textile, and high-rise building sectors. For applications in
large-scale power plants, petrochemical systems, and other environments with high levels of automation
that require computer interfacing, this low-voltage complete power distribution unit serves as a solution
for power generation and supply systems featuring three-phase AC with a frequency of 50 (60) Hz, a
rated operating voltage of 380 V (400 V) or 660 V, and a rated current of 4,000 A or less, particularly for
power distribution, centralized motor control, and reactive power compensation purposes.
Auxiliary Scheme
No., Main Circuit
Scheme No.,
Electrical System
Extraction type
Enclosed switchgear
G C S
Product Model Description:
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Anhui Wanxiang Electric Power Equipment Co. LTD Technological Innovation: Building a Century-Old Wanxiang
performance index ：
essential parameter ：
The device's design complies with the following standards:
1、 IEC 439-1: \"Low-voltage switchgear and controlgear\"
2、 GB/7251 \"Low-voltage switchgear\"
primary structure ：
The main frame is constructed using 8MF-type open-section steel sections; both sides of these steel sections feature
mounting holes with module sizes of 20 mm, 100 mm, and 9.2 mm, enabling flexible and convenient internal
installation. The assembly configuration of the main frame can be designed in two ways: a fully assembled structure
or a partially welded structure (comprising the side frames and crossbeams), allowing users to choose based on their
requirements. The various functional rooms within the equipment are mutually isolated, with each room categorized
as a functional unit room, a busbar room, or a cable room; the functions of each room are relatively independent.
AC 220,380 (400) DC 110/220
Horizontal bus
Vertical busbar (MCC)
Main circuit
Accessory circuit
Three-phase four-wire system
Three-phase five-wire system
Busbar
A, B, C,PEN
A, B, C, PE,N
Levels of protection IP30, IP40
Busbar rated short-time withstand current (kA/1s);
busbar rated peak withstand current (kA/0.1s)
50,80
105,176
Power-frequency test voltage (V/1 min)
2500
1760
Nominal frequency (Hz) 50(60)
Rated insulation voltage (V) 660(1000)
Rated current （A）
≤4000
1000
Project Parameter
Main circuit rated voltage (V) AC 380 (400), (660)
Auxiliary circuit rated voltage (V)
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Anhui Wanxiang Electric Power Equipment Co. LTD Technological Innovation: Building a Century-Old Wanxiang
Main Circuit Solution
Number | Purpose
Code
Extraction type
Enclosed switchgear
G C K
Product Model Description:
Low-Voltage Withdrawable Switchgear
GCK Mould
summary ：
The GCK low-voltage withdrawable switchgear consists of two components: the Power Distribution Center
(PC) cabinet and the Motor Control Center (MCC). It is designed for power users such as power plants,
substations, and industrial/mining enterprises for use in distribution systems operating at 50 Hz AC with a
maximum working voltage of up to 660 V and a maximum working current of up to 3,150 A; it serves as an
electrical energy conversion, distribution, and control solution for power distribution, motor control, and lighting
applications.
architectural feature ：
The basic cabinet frame of this product series adopts a modular prefabricated structure; all structural
components of the cabinet frame are interconnected to form a basic framework via screws, after which doors, partition
plates, partition boards, drawers, mounting brackets, busbars, and electrical components—among other parts—are
added as needed to assemble a complete switchgear cabinet. This cabinet features the following characteristics:
1、 The frame is constructed using shaped steel sections, employs 3D corner plate positioning, and utilizes bolted connections
without welding, thereby avoiding welding deformation and stress while improving installation accuracy. The mounting holes
for the frame and its components vary according to the module E = 20 mm.
2、 The internal structural components are galvanized; the exterior is first pickled and phosphated, followed by electrostatic epoxy
powder coating.
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Anhui Wanxiang Electric Power Equipment Co. LTD Technological Innovation: Building a Century-Old Wanxiang
essential parameter ：
service condition ：
1、 Altitude does not exceed 2,000 m;
2、 The ambient air temperature shall not exceed +40 °C, the average temperature over a 24-hour
period shall not exceed +35 °C, and the ambient air temperature shall not be lower than –50 °C:
3、 Atmospheric conditions: The air must be clean; the relative humidity shall not exceed 50% at a
temperature of +40°C; at lower temperatures, higher relative humidity is permissible—for
example, 90% at +20°C;
4、 Locations where there are no fire or explosion hazards, severe contamination, chemical
corrosion, or intense vibration;
5、 The inclination relative to the vertical plane shall not exceed 5°;
6、 This product is suitable for transportation and storage at temperatures ranging from-25°C to
+55°C; it should not be exposed to temperatures exceeding +70°C for any short period of time
(not exceeding 24 hours).
Note:If the above usage conditions cannot be met, the user shall submit a request to the manufacturer at the time of ordering for negotiation and resolution.
Parameter
50
380, 660
660
Horizontal bus 630-3150
Vertical bus 600
Horizontal bus 80 kA (RMS) / 1 second
Vertical bus 50 kA (RMS) / 1 second
Horizontal bus 176kA/0.1s
Vertical bus 110kA/0.1s
200,400
10
2500
IP40
Local, Remote, Automatic
Levels of protection
Mode of operation
Nominal short-time withstand current
Rated peak withstand current
Main circuit connector (A)
Auxiliary Circuit Connector (A)
Power-frequency withstand voltage test for 1 minute (V)
Project
Nominal operating frequency
Nominal operating voltage (V)
Rated insulation voltage (V)
Rated operating current (A)
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Anhui Wanxiang Electric Power Equipment Co. LTD Technological Innovation: Building a Century-Old Wanxiang
Low-Voltage Withdrawable Switchgear
MNS Mould
summary ：
This series of low-voltage withdrawable switchgear is a modular cabinet type assembled in the
factory using standard modules (FBA), with technology that has reached internationally advanced levels.
This series of low-voltage withdrawable switchgear is suitable for power plants, substations,
petrochemical facilities, metallurgical and steel rolling plants, transportation and energy sectors, light
industry and textile enterprises, residential communities, high-rise buildings, and other sites, serving as
power conversion, distribution, and control equipment for power systems operating at AC 50–60 Hz and
with a rated working voltage of AC 660 V or lower. This equipment complies with the national technical
standards GB72511 \"Low-voltage complete switchgear\" and JB/T9961 \"Low-voltage withdrawable
complete switchgear,\" as well as international technical standards such as IEC 439-1 and VDE 0660 Part
5.
Auxiliary Scheme
No., Main Circuit
Scheme No.,
Electrical System
Extraction type
Enclosed switchgear
M N S
Product Model Description:
Yuanxiang Electric
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Anhui Wanxiang Electric Power Equipment Co. LTD Technological Innovation: Building a Century-Old Wanxiang
essential parameter ：
1、 The ambient air temperature shall not exceed +40 °C, shall not be lower than –5 °C, and its average
temperature over a 24-hour period shall not exceed +35 °C;
2、 Atmospheric conditions shall be clean, with a relative humidity not exceeding 50% at the maximum
temperature of 40 °C; at lower temperatures, higher relative humidity is permissible—for example,
90% at +20 °C—but consideration must be given to the possibility that temperature fluctuations may
inadvertently induce condensation;
3、 The altitude shall not exceed 2,000 m;
4、 This device is suitable for transportation and storage processes within the temperature range of-25°C to
+55°C; it can withstand temperatures up to +70°C for short durations (not exceeding 24 hours); under
these extreme temperature conditions, the device shall not suffer any irreversible damage.
Furthermore, it should function properly under normal operating conditions;
5、 If the above operating conditions cannot be met, the matter shall be resolved through negotiation between the user and the
manufacturer;
6、 When this equipment is used on offshore oil drilling platforms and nuclear power plants, a separate technical agreement shall be signed.
service condition ：
Parameter
660V(1000)v
380v、660v
5000A
100kA/1s
220kA/0.1s
1000A
Normalized form 105 kA (maximum value) / 0.1s
Enhanced version 176 kA (maximum value), 0.1s
Main busbar rated peak withstand current
Maximum operating current of the distribution busbar (vertical busbar)
Peak current of distribution busbars (vertical
busbars)
Project
Nominal insulation voltage
Rated operational voltage
Maximum operating current of the main busbar
Main busbar rated withstand current
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Compensation Cabinet
Low-Voltage Reactive Power Intelligent Compensation
Device
GGJ Mould
summary ：
This device can effectively improve the power factor of electrical loads, reduce line losses, and
enhance the actual load capacity of transformers, thereby achieving significant energy-saving effects.
Additionally, by incorporating specific reactors within the system, it can effectively prevent harmonic
amplification and efficiently absorb most harmonic currents, ensuring that both the total harmonic distortion
(THD) limit and the harmonic current content limits comply with national standards, thus accomplishing the
objective of harmonic mitigation. In contrast, using conventional contactors to switch capacitor banks would
result in substantial surge currents, slow compensation response times, high maintenance costs, and a short
service life. Therefore, we recommend that users prioritize the use of dynamic reactive power compensation
devices in the following scenarios—such as low-voltage power grids in substations of industrial and mining
enterprises, production workshops, and civil buildings—particularly for transmission and distribution
systems where loads are subject to frequent changes and reactive power is unstable. This product complies
with standards such as GB/T 15576 \"Low-voltage complete set reactive power compensation equipment\"
and IEC 60439 \"Low-voltage complete sets of switching and control equipment.\"
mode of connection: Delta connection, Y-star connection
the classification of voltage:230V，400V
Compensation capacity: kVar
Compensation Method:1: Dynamic compensation; this can typically be omitted.
GGJ
Product Model Description:
Yuanxiang Electric
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Anhui Wanxiang Electric Power Equipment Co. LTD Technological Innovation: Building a Century-Old Wanxiang
essential parameter ：
Operating environment conditions:
1、 Ambient temperature: -5°C to +40°C;
2、 Relative humidity: not exceeding 90% (at 20°C);
3、 Altitude: not exceeding 2,000 m;
4、 The surrounding environment poses no explosion risk; there are no gases capable of
damaging or corroding metal; there is no conductive dust; the installation site should
not be subject to severe vibration; and there should be no exposure to rain or snow.
Product Features:
1、 Versatile performance: This compensation cabinet can be configured with various
types of cabinets from both domestic and international manufacturers, such as MNS,
GCK, and GGD;
2、 Capacitor compensation offers a variety of flexible configurations: Y-type compensation, Atype compensation, and Y+A combined compensation;
3、 Versatile communication options: Equipped with RS-232/RS-485 communication interfaces, as
well as wireless data transmission modules or GPRS modules for long-distance communication;
4、 Accurate and safe control: employs zero-crossing voltage triggering; during energization, no
surge current occurs during zero-crossing disconnection; and no high voltage is generated
during interruption;
5、 Long service life: With no maintenance required, it offers a service life of over 100,000 hours.
Project Unit Parameter
System voltage V Up to AC450
Switching time ms t≤ 20
Inrush current In <25
Rated frequency Hz 50±50%
Sampling current A 0-5
Power consumption of this device W ≤15
Sensitivity mA 100
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Anhui Wanxiang Electric Power Equipment Co. LTD Technological Innovation: Building a Century-Old Wanxiang
service condition ：
1、 Environmental temperature: -25°C to +40°C;
2、 Relative air humidity: daily average shall not exceed 90%, and monthly average shall not exceed
90%;
3、 Altitude: not greater than 2000 m;
4、 To be installed in locations free from severe vibration or impact, as well as free from corrosive gases.
Main circuit scheme
number | Transformer
capacity
Integrated Distribution Panel
Product Model Description:
Outdoor Integrated Distribution Cabinet
(Compensation, Control, Terminal, Lighting)
JP Mould
summary ：
The JP series outdoor integrated distribution cabinet integrates multiple functions—including metering,
outgoing circuits, and reactive power compensation—into a single unit, making it an ideal outdoor integrated
distribution solution. It features protection against short circuits, overloads, overvoltages, and earth leakage,
while offering a compact size, an aesthetically pleasing appearance, and excellent cost-effectiveness. When
installed on the poles of pole-mounted transformers, this product represents an ideal distribution solution for
the modernization of urban and rural power grids.
JP-Kou-Kou
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Anhui Wanxiang Electric Power Equipment Co. LTD Technological Innovation: Building a Century-Old Wanxiang
essential parameter ：
design feature ：
The cabinet structure is available in either vertical or horizontal configurations. The outer shell is fabricated from
high-quality 2 mm stainless steel plates using a multi-stage folding process (or alternatively, utilizing a stainless steel
double-layer composite panel with a honeycomb structure, which offers flame-retardant, environmentally friendly,
thermal insulation, and condensation-resistant properties); this component employs a specialized stainless steel welding
technique, resulting in exceptional structural integrity after molding, with a mirror-like smooth surface free of weld
marks; the interior features installed beams and slabs treated with hot-dip galvanizing to ensure corrosion resistance for
up to 20 years; the cabinet features front and rear access doors, facilitating easy operation and maintenance by users.
The perimeter of the door is equipped with high-elasticity, age-resistant sealing strips; each door is fitted with both
visible and concealed door locks; the visible lock features a rainproof cover designed to prevent clogging and rusting;
the metering room is fully enclosed and equipped with a lead-sealing device; the side walls of the enclosure feature
cable entry conduits that are rainproof and resistant to foreign objects; the bottom is equipped with ventilation holes
and cable exit ports; and the top is equipped with ventilation ducts and a wire mesh, providing waterproofing, rust
prevention, dust protection, and foreign object resistance; the protection rating is IP54.
Project Unit Parameter
Transformer capacity kVA 30-400
Rated operational voltage V AC400
Auxiliary circuit operating voltage V AC220, AC380
Rated frequency Hz 50
Rated current A ≤630
Nominal leakage trip current mA 30~300 adjustable
Levels of protection IP54
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Anhui Wanxiang Electric Power Equipment Co. LTD Technological Innovation: Building a Century-Old Wanxiang
Low-Voltage Power Distribution Cabinet
XL Mould
Summary ：
The XL-21 low-voltage power distribution cabinet is suitable for use in power plants and
industrial/mining enterprises for power distribution within three-phase four-wire systems with AC
voltages up to 500 V. The XL-21 low-voltage power distribution cabinet is designed as an indoor unit
for wall-mounted installation, with maintenance accessible from the front panel.
The XL-21 low-voltage power distribution cabinet is enclosed in design, with its enclosure fabricated
from steel plates; the knife switch operating handle is mounted on the upper part of the front right column,
enabling the switching of power supply. A voltmeter is installed at the front of the distribution cabinet to
indicate the voltage across the busbar. The distribution cabinet features a front door; when this door is
opened, all internal equipment becomes fully exposed, facilitating inspection and maintenance. This
distribution cabinet incorporates domestically designed components that offer a compact structure, easy
maintenance, and flexible circuit configuration options. In addition to incorporating air circuit breakers and
fuses for short-circuit protection, the cabinet also includes contactors and thermal relays; the front door
can be equipped with operating buttons and indicator lights.
Plan No.
Design
Serial No.
Power
Control Box
X L 21
Product Model Description:
design feature ：
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Anhui Wanxiang Electric Power Equipment Co. LTD Technological Innovation: Building a Century-Old Wanxiang
Technical specifications of main equipment:
Model Rated current （A） Melt rated current (A) Remarks
HR3-400/34 400 150、200、250、300、350、400 No molten material available for installing the
isolation blade
Model Rated current （A） Clamp adjustment current (A) Remarks
MLM5-40/390 20 7、10、15、20、30、40
MLM1-100/300 100 15、20、25、30、40、50、60、80、
100
MLM1-250/300 250 100、120、140、170、200、225、250
Model Primary current （A） Primary current （A） Remarks
LM-0.5 75、100、150、200、
300、600 5
Model Fuse Circuit breaker rated current (A) Remarks
RL1-15 15 2、4、5、6、10、15
RL1-60 60 20、25、30、35、40、50、60
RL1-100 100 30、40、50、60、80、100
RL1-200 200 80、100、120、150、200
RL1-400 400 150、200、250、300、350、400
Blade-fuse combination switch
Air-break
Current transformer
Fuse
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Anhui Wanxiang Electric Power Equipment Co. LTD Technological Innovation: Building a Century-Old Wanxiang
Low-Voltage Integrated Distribution Cabinet
JXF Mould
summary ：
This product is suitable for circuits with an AC frequency of 50 Hz and a rated operating voltage below 500 V. Under
special requirements, the protection rating can reach IP55; the enclosure features knock-out holes on both the top and bottom
surfaces, and pre-installed mounting openings are available for multi-cable inputs; its maximum rated current capacity reaches
400 A. This model is particularly well-suited for metering and control boxes in industrial and mining facilities, hotels, residential
buildings, and other similar applications.
Installation method: M – Open
installation; R – Concealed installation;
W – Outdoor enclosure depth (cm),
enclosure width (cm), enclosure height
(cm).
Hinge designation: 1 – indicates concealed
hinge; 2 – indicates exposed hinge; denotes
a protective wall-mounted control box.
JX F
Product Model Description:
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Anhui Wanxiang Electric Power Equipment Co. LTD Technological Innovation: Building a Century-Old Wanxiang
Operating environment conditions:
Installation dimensions (mm):
1、 Temperature: The ambient air temperature shall not exceed +40°C, and the lower limit of the
ambient air temperature shall not fall below-5°C;
2、 Humidity: When the ambient temperature is +40°C, the relative humidity of the air shall not
exceed 50%; at lower temperatures, higher relative humidity may be permitted; for example, at
+20°C, the relative humidity may reach 90%.
3、 Altitude: The installation site's altitude shall not exceed 2,000 m; high-altitude products are
available upon customization;
4、 Installation Category: Class III;
5、 Pollution level: Level 3;
6、 Rated operating voltage: 230V,400V;
7、 Rated operating voltage: 400V;
8、 Rated short-circuit sectioning capacity: 80 kA;
9、 Enclosure protection rating: IP55;
Model Specifications: Height × Width × Depth
JXF1-2525/14 250× 250× 140
JXF1-3025/14 300×350x 140
JXF1-3025/18 300×350× 180
JXF1-3030/14 300× 300× 140
JXF1-3030/20 300×300× 200
JXF1-4030/14 400×300× 140
JXF1-4030/20 400× 300× 200
JXF1-5040/14 500× 400× 140
JXF1-5040/20 500× 400× 200
JXF1-5040/23 500x 400× 230
JXF1-6040/14 600×400× 140
JXF1-6040/20 600x 400× 200
JXF1-6040/23 600× 400× 230
JXF1-6050/14 600x500× 140
JXF1-6050/20 600×500× 200
JXF1-6050/23 600× 500× 230
JXF1-7050/16 700×500× 160
JXF1-7050/20 700×500× 200
JXF1-7050/25 700×500× 250
JXF1-8060/20 800x600× 200
JXF1-8060/25 800×600×250
JXF1-10080/20 1000× 800x 200
JXF1-10080/25 1000×800x 250
JXF1-10080/30 1000× 800×300
Anhui Wanxiang Electric Power Equipment Co., Ltd.
Technological Innovation Has Forged the Century-Long Legacy of Wanxiang.
Address: No.19 Xingyu Road, High-tech Industrial Development
Zone, Lu'an City, Anhui Province
Tel: 0564-3616257 | Fax: 0564-3616259
Website:www.ahwanxiang.com
Email:anhuiwanxiang959@163.com
