
Premium Copper Building Wire — Engineered for Safety, Built to Last
Welcome to the Jinhuanyu Cable Store
At CU CABLE, we are proud to present the Jinhuanyu Cable Store — your premier destination for high-quality copper building wires and cables from one of China’s most trusted and respected cable manufacturers.
Jinhuanyu (深圳市金环宇电线电缆有限公司) is a name synonymous with quality, reliability, and innovation in the wire and cable industry. With over 30 years of manufacturing excellence, Jinhuanyu has established itself as a national high-tech enterprise, a national-level “Little Giant” enterprise, and one of China’s Top 100 Cable Industry Enterprises.
Every Jinhuanyu cable we offer is 100% pure copper, GB-standard certified, flame-retardant, and backed by our authenticity guarantee. Whether you are wiring a new home, renovating a commercial space, or working on an industrial project, Jinhuanyu cables deliver the performance, safety, and reliability you demand.
Welcome to the Jinhuanyu Cable Store — where quality meets trust.
About Jinhuanyu — 30+ Years of Manufacturing Excellence
A Legacy of Quality Since 1993
Jinhuanyu’s story began in 1993 when the company was founded as the Bao’an Huanyu Wire Factory in Shenzhen, China. Over three decades, Jinhuanyu has grown from a modest wire factory into a modern large-scale backbone enterprise in China’s cable industry.
Today, Jinhuanyu operates multiple production bases across Shenzhen, Huizhou, and Zhaoqing, with a total manufacturing area of approximately 500,000 square meters. The company’s headquarters are located in Shenzhen’s Bao’an District, with additional facilities in Huizhou and Zhaoqing supporting its expanding production capacity.
National Recognition and Industry Leadership
Jinhuanyu’s commitment to quality and innovation has earned it numerous prestigious accolades:
National High-Tech Enterprise — recognized for technological innovation and R&D excellence
National-Level “Little Giant” Enterprise — China’s highest recognition for specialized and sophisticated SMEs
National Green Factory — certified for environmentally responsible manufacturing
China Cable Industry Top 100 Enterprise — ranked among the nation’s most competitive cable manufacturers
Guangdong Cable Industry Top 10 Enterprise — recognized as a provincial industry leader
Guangdong Famous Brand Product — a mark of provincial quality recognition
AAA-Level Famous Trademark Brand — the highest trademark credibility rating
Shenzhen Industry Leader Top 100 Enterprise — recognized in its home city
Six-Star Product Quality Credit Rating — the highest rating for product quality integrity
Commitment to Industry Standards
Jinhuanyu has actively participated in the development of 9 industry standards for wires and cables, helping to shape the quality benchmarks for the entire industry. As a major contributor to standards including GB/T 18380 and GB/T 19216 (General Rules for Flame-Retardant and Fire-Resistant Wires and Cables), Jinhuanyu demonstrates its leadership in both technical excellence and industry governance.
The company has been recognized as a national “Standard Pioneer” for six consecutive years from 2019 to 2024, reflecting its unwavering commitment to quality and standardization.
A Leader in Innovation
Jinhuanyu maintains a CNAS-accredited testing laboratory and a provincial-level engineering technology center. The company holds 284 trademarks and 64 patents, including a national invention patent for “Aerospace-Grade Tin-Plated Copper Core PFA Insulated Wire” technology that fills a domestic industry gap.
The company has invested significantly in intelligent manufacturing, introducing advanced equipment including American catenary cross-linking production lines, Russian four-layer co-extrusion units, and German Sikora online diameter gauges — achieving a product qualification rate of 99.98%.
Product Range — 50+ Varieties, 9,000+ Specifications
Jinhuanyu offers an extensive product portfolio covering 50+ product varieties and over 9,000 specifications. From low-voltage building wires to high-voltage power cables, Jinhuanyu provides solutions for virtually every electrical application.
Building Wires — The Foundation of Every Electrical System
Jinhuanyu’s building wires are the cornerstone of residential and commercial electrical installations. Manufactured with 99.99% pure oxygen-free copper and flame-retardant PVC insulation, these wires deliver superior conductivity, safety, and longevity.
BV — Solid Core Copper Building Wire
BV (铜芯聚氯乙烯绝缘电缆) is Jinhuanyu’s flagship solid-core building wire. Featuring a single solid copper conductor, BV wire offers maximum conductivity and reliability for fixed installations.
Rated Voltage: 300/500V and 450/750V
Conductor: 99.99% pure oxygen-free copper
Insulation: Flame-retardant PVC
Applications: Lighting circuits, power outlets, residential wiring, commercial installations
Available Sizes: 0.75mm² to 95mm² and beyond
Colors: Red, Black, Blue, Yellow, Green, Green/Yellow
Ideal For: Permanent fixed wiring in residential and commercial buildings where the wire will not be moved or flexed after installation.
BVR — Stranded Flexible Copper Building Wire
BVR (铜芯聚氯乙烯绝缘软电缆) features a stranded conductor design that offers superior flexibility compared to solid-core BV wire. The multiple fine copper strands twist together to create a cable that bends easily through conduits and around tight corners.
Rated Voltage: 450/750V
Conductor: 99.99% pure oxygen-free copper (stranded)
Insulation: Flame-retardant PVC
Flexibility: Up to 50% more flexible than BV wire
Minimum Bending Radius: ≥4× cable diameter
Applications: Conduit wiring, renovations, complex routing, appliance connections
Available Sizes: 0.75mm² to 35mm²
Ideal For: Wiring through conduits with multiple bends, retrofitting existing buildings, and applications requiring flexibility during installation.
BVV — Sheathed Solid Core Cable
BVV adds an extra layer of PVC sheath protection to the solid-core BV design, providing enhanced durability for surface mounting applications.
Rated Voltage: 300/500V
Conductor: Solid copper
Insulation: PVC + PVC outer sheath
Applications: Surface-mounted wiring, exposed installations
BYJ — Low Smoke Zero Halogen (LSZH) Cable
BYJ features cross-linked polyethylene (XLPE) insulation that provides low-smoke, halogen-free performance — essential for public buildings and high-safety environments.
Rated Voltage: 450/750V
Conductor: 99.99% pure oxygen-free copper
Insulation: XLPE (Low Smoke Zero Halogen)
Applications: High-rise buildings, hospitals, schools, public facilities
Power Cables — Reliable Power Distribution
Jinhuanyu manufactures a comprehensive range of power cables for electricity distribution at every voltage level:
Low Voltage (0.6/1kV): PVC insulated and XLPE insulated power cables
Medium Voltage (6–35kV): XLPE insulated power cables
High Voltage (110kV): XLPE insulated power cables
These cables are available in standard, flame-retardant, fire-resistant, and low-smoke halogen-free variants, meeting diverse application requirements.
Control Cables — Precision and Reliability
Jinhuanyu’s control cables are designed for control, monitoring, and protection circuits in electrical equipment and automation systems:
KVV — PVC insulated and sheathed control cables
KVVP — Shielded control cables (copper tape or braided shielding)
KVV22 — Steel tape armored control cables
Available in flame-retardant, fire-resistant, and low-smoke halogen-free variants to meet specific safety requirements.
Specialized Cables
Jinhuanyu also offers a range of specialized cables for specific applications:
Prefabricated Branch Cables — Pre-assembled branch cables for efficient building power distribution
Aerial Insulated Cables — For overhead power distribution
Communication Cables — For voice and data transmission
Photovoltaic Cables — For solar energy systems
Mineral Insulated Cables — For fire-resistant applications
Rubber Sheathed Cables — For flexible, heavy-duty applications
Quality You Can Trust — Certifications and Standards
Jinhuanyu’s commitment to quality is backed by an extensive portfolio of national and international certifications:
Chinese Certifications
| Certification | Description |
|---|---|
| CCC | China Compulsory Certification — mandatory safety certification for electrical products |
| ISO9001 | Quality Management System Certification |
| ISO14001 | Environmental Management System Certification |
| OHSAS18001 | Occupational Health and Safety Management Certification |
| National Industrial Production License | Required for cable manufacturing in China |
International Certifications
| Certification | Description |
|---|---|
| CE | European Conformity — compliance with EU safety standards |
| UL | Underwriters Laboratories — recognized in North American markets |
| CB | IECEE CB Scheme — international mutual recognition of test results |
| RoHS | Restriction of Hazardous Substances — EU environmental compliance |
| VDE | German electrical safety certification |
| ISO 14067 | Product Carbon Footprint Management Certification |
Green and Sustainable Manufacturing
Jinhuanyu is committed to environmental stewardship, having earned certification as a National Green Factory. The company has developed a full range of low-smoke, halogen-free environmentally friendly cables and has been recognized for its green supply chain management.
Applications — Where Jinhuanyu Cables Are Used
Jinhuanyu cables are trusted in some of China’s most prestigious and demanding projects:
Landmark Projects
Shenzhen Ping An Finance Centre — one of China’s tallest buildings
Guangzhou Baiyun International Airport
Shenzhen Bao’an International Airport — expansion project
Shenzhen Metro Line 3
Shenzhen Universiade Sports Venues
Shenzhen Civic Center
Daya Bay Nuclear Power Station
Guangzhou Metro
Shanghai Rail Transit Line 11
Key Industries and Sectors
| Sector | Applications |
|---|---|
| Residential Construction | Home wiring, lighting circuits, power outlets, HVAC systems |
| Commercial Buildings | Office wiring, retail power distribution, hotel electrical systems |
| Infrastructure | Airports, subway systems, bridges, tunnels |
| Industrial Facilities | Factory power distribution, control systems, heavy machinery |
| Energy and Utilities | Power stations, grid distribution, renewable energy |
| Transportation | Railways, airports, ports |
| Public Facilities | Schools, hospitals, government buildings |
Why Choose Jinhuanyu Cables?
1. 100% Pure Oxygen-Free Copper
Jinhuanyu uses only 99.99% pure oxygen-free copper in its conductors. This delivers:
Superior conductivity — lower resistance means less energy loss
Higher efficiency — reduced power consumption
Longer service life — 25–30 years under normal conditions
Excellent corrosion resistance — no hydrogen embrittlement
2. Flame-Retardant Safety
Every Jinhuanyu building wire features flame-retardant PVC insulation that:
Self-extinguishes — flame stops when the ignition source is removed
Prevents flame spread — critical for fire safety
Meets GB/T 19666 Class C standards
Reduces smoke emission — minimizes toxic smoke during combustion
3. Consistent Quality — Low Eccentricity
Jinhuanyu’s precision manufacturing ensures:
The copper conductor is perfectly centered within the insulation
Uniform insulation thickness throughout the entire cable
Reduced risk of electrical breakdown
Enhanced protection against short circuits
4. Full Meterage Guarantee
Every Jinhuanyu reel is 100 meters — guaranteed. Advanced metering devices ensure accurate length measurement.
5. Extensive Product Range
With 50+ varieties and over 9,000 specifications, Jinhuanyu offers solutions for virtually every electrical application.
6. Backed by 30+ Years of Excellence
Since 1993, Jinhuanyu has been dedicated to the research, design, and manufacture of high-quality wires and cables.
7. Trusted in Landmark Projects
Jinhuanyu cables are specified and trusted in some of China’s most prestigious projects, including the Shenzhen Ping An Finance Centre and Guangzhou Baiyun International Airport.
8. Comprehensive Certifications
Jinhuanyu holds CCC, ISO9001, ISO14001, CE, UL, CB, RoHS, and VDE certifications — meeting the strictest national and international standards.
Jinhuanyu vs. The Competition
| Feature | Jinhuanyu | Generic Cables |
|---|---|---|
| Copper Purity | 99.99% oxygen-free copper | Varies — often lower grade |
| Flame-Retardant | Class C certified | Often not tested or certified |
| Certifications | CCC, CE, UL, RoHS, ISO9001 | Limited or no certifications |
| Manufacturing | CNAS-accredited lab, 99.98% quality rate | Inconsistent quality |
| Length Guarantee | Full 100 meters | Often short measures |
| Brand Heritage | 30+ years since 1993 | Often unknown or recent |
| Project Trust | Landmark projects worldwide | Limited track record |
| Patent Portfolio | 64 patents | Few or none |
CU CABLE’s Commitment
When you purchase Jinhuanyu cables from CU CABLE, you receive:
100% Authenticity Guarantee
All Jinhuanyu products sold by CU CABLE are 100% genuine, sourced directly from authorized factories. Fake = 10X Refund — if any product is proven counterfeit, you get 10 times your money back.
Full Meterage Guarantee
Every reel is 100 meters — guaranteed. No short measures. No compromises.
100% Pure Copper Guarantee
Every cable features 100% pure oxygen-free copper — no CCA (Copper-Clad Aluminum), no alloys, no shortcuts.
Flame-Retardant Guarantee
All Jinhuanyu building wires feature Class C flame-retardant insulation, tested and certified per GB/T 19666.
Featured Products in the Jinhuanyu Cable Store
ZC-BV Solid Core Copper Wire
Rating: 450/750V
Conductor: 99.99% pure oxygen-free copper, solid core
Insulation: Class C flame-retardant PVC
Length: 100m per reel
Sizes: 0.75mm², 1.0mm², 1.5mm², 2.5mm², 4.0mm², 6.0mm², 10mm², 16mm², 25mm², 35mm², 50mm², 70mm², 95mm²
Applications: Lighting, outlets, residential wiring, commercial installations
ZC-BVR Stranded Flexible Wire
Rating: 450/750V
Conductor: 99.99% pure oxygen-free copper, stranded
Insulation: Class C flame-retardant PVC
Flexibility: 50% more flexible than solid core
Length: 100m per reel
Sizes: 1.5mm², 2.5mm², 4.0mm², 6.0mm²
Applications: Conduit wiring, renovations, flexible routing
BYJ Low Smoke Zero Halogen (LSZH) Cable
Rating: 450/750V
Conductor: 99.99% pure oxygen-free copper
Insulation: XLPE (low smoke, halogen-free)
Temperature Rating: 105°C
Applications: High-rise buildings, hospitals, schools, public facilities
XLPE Power Cables — 0.6/1kV to 35kV
Rating: 0.6/1kV to 35kV
Conductor: Copper or aluminum
Insulation: XLPE
Applications: Power distribution, industrial facilities, infrastructure
Available Colors — Jinhuanyu Building Wires
| Color | Standard Application |
|---|---|
| Red | Phase / Live conductor |
| Black | Phase / Live conductor |
| Yellow | Phase / Live conductor |
| Blue | Neutral conductor |
| Green | Ground / Earth (PE) |
| Green/Yellow | Ground / Earth (international standard) |
Warranty and Support
25–30 Year Service Life
Jinhuanyu cables are designed for 25–30 years of reliable service under normal operating conditions.
Manufacturing Defect Warranty
All Jinhuanyu products are covered against manufacturing defects in materials and workmanship.
Expert Technical Support
Our team provides responsive technical assistance and after-sales support when you need it.
Frequently Asked Questions
1. What is the difference between BV and BVR wire?
BV features a solid copper conductor — one single strand of copper. It is rigid and ideal for fixed, permanent installations where the wire will not be moved after installation.
BVR features a stranded conductor — multiple fine copper strands twisted together. It is highly flexible (up to 50% more flexible than BV) and ideal for wiring through conduits, tight spaces, and renovations.
2. What does “ZC” mean in ZC-BV?
“ZC” stands for Class C flame-retardant per GB/T 19666. It means the cable is self-extinguishing and prevents flame spread, providing enhanced fire safety.
3. Are Jinhuanyu cables certified?
Yes. Jinhuanyu cables hold CCC (China Compulsory Certification), ISO9001, ISO14001, CE, UL, CB, RoHS, and VDE certifications.
4. What is the copper purity in Jinhuanyu cables?
Jinhuanyu uses 99.99% pure oxygen-free copper in all its conductors.
5. How long do Jinhuanyu cables last?
Under normal operating conditions, Jinhuanyu cables provide reliable service for 25–30 years.
6. Are the reels full 100 meters?
Yes. Every Jinhuanyu reel is guaranteed to be a full 100 meters.
7. What applications are Jinhuanyu cables suitable for?
Jinhuanyu cables are suitable for residential wiring, commercial installations, industrial power distribution, infrastructure projects, and more — used in projects including the Shenzhen Ping An Finance Centre and Guangzhou Baiyun International Airport.
8. Do you ship internationally?
Yes. CU CABLE ships Jinhuanyu products worldwide. Contact us for shipping quotes to your location.
9. How can I verify my Jinhuanyu cable is authentic?
Each Jinhuanyu reel features a unique anti-counterfeiting code. Scratch, scan, and verify in seconds. CU CABLE backs every product with a “Fake = 10X Refund” guarantee.
10. What sizes are available?
Jinhuanyu building wires are available from 0.75mm² to 95mm² and beyond, covering virtually every residential and commercial application.
Contact Information
| info@cu-cable.com | |
| Phone | +86 135 3866 1001 |
| Website | https://cu-cable.com |
| Hours | Monday–Friday, 9:00 AM – 6:00 PM (GMT+8) |
All Jinhuanyu products sold by CU CABLE are 100% genuine, GB-standard compliant, and backed by our authenticity guarantee. Every reel is full meterage and full weight. Fake product = 10X refund.




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