Flame-Retardant and Fire-Resistant Cable Series

Technical Standards
To ensure survivability under extreme fire conditions involving flames, mechanical impact, and water spray, these products are strictly tested against multiple domestic and international authoritative standards:
*   Flame Retardancy: Compliant with the GB/T 18380.3 series (equivalent to IEC 60332-3), covering classes A, B, C, and D.
*   Fire Resistance: Compliant with GB/T 19216.21 and relevant requirements for circuit integrity.
*   Environmental Safety (for LSZH series): Compliant with GB/T 17650.2 (halogen acid gas emission) and GB/T 17651.2 (smoke light transmittance ≥ 60%).

Model Logic and Nomenclature
The model names are precisely composed of a "Combustion Characteristic Code" and the "Base Cable Model", facilitating accurate selection for design institutes and engineering firms:
1.  Flame-Retardant (FR):
*   Halogenated FR: Identified by codes ZA, ZB, ZC, or ZD, representing flame-retardant classes A, B, C, and D respectively (Class A offers the highest performance).
*   Low-Smoke Zero-Halogen (LSZH) FR: Prefixed with WDZ (or WDZA, WDZB, etc.), emphasizing environmental safety and non-toxicity.
2.  Fire-Resistant:
*   Regular Fire-Resistant: Identified by the code N, often combined with FR levels (e.g., ZAN, ZBN).
*   LSZH Fire-Resistant: Identified by WDZN and its derivative models.

Core Performance Indicators and Advantages
*   Graduated Flame Protection: Based on the volume density ($L/m$) of non-metallic materials, the cables undergo fire tests ranging from 0.5 L/m to 7 L/m, ensuring the desired fire-prevention effect across various installation densities.
*   Vitality in High-Heat Environments: Fire-resistant models maintain circuit integrity at rated voltages in flames between 750°C and 1000°C for over 90 minutes (plus a 15-minute cooling period).
*   Optimized Evacuation Environment (LSZH Type):
*   Low Toxicity: The PH weighted value of combustion products is ≥ 4.3, with conductivity ≤ 10 μS/mm, minimizing the risk of suffocation and corrosion from fire smoke.
*   High Visibility: Achieves a minimum light transmittance of over 60%, ensuring escape routes remain clearly visible during an emergency.

Core Application Scenarios
Due to their versatile fire-safety configurations, these cables are widely deployed in projects with high life-safety requirements:
*   Densely Populated and High-Rise Buildings: Ideal for power transmission and distribution in shopping malls, hospitals, hotels, and exhibition centers.
*   Critical Public Infrastructure: Essential for subways, airports, underground tunnels, and major transportation hubs.
*   High-Precision and Specialized Industrial Environments: Specified for nuclear power plants, petrochemical facilities, and data centers where low-voltage distribution stability is a critical requirement.

Q: 10. What is your company's business philosophy?

A: The company adheres to the strategy of "revitalizing the enterprise through science and technology," with a market-centered, sales-focused, customer-need-satisfying approach. It continuously optimizes its product structure, increases technological content, and ensures steadily improving product quality.

Q: 9. In which fields are your company's products applied?

A: The products cover multiple fields including electric power, new energy, transportation, communications, and engineering. The company has also continuously passed the qualification verification for power cables and conductors of the State Grid Corporation of China for many years.

Q: 8. What green and environmental certifications or initiatives does the company have?

A: The company has established an Environmental Management System, Energy Management System, Green Management System, and Social Responsibility Management System. It has completed product carbon footprint certification and obtained certifications such as "Green Manufacturing Enterprise," "China Energy-Saving and Environmental Protection Product," and "Carbon Neutrality Commitment Demonstration Unit."

Q: 7. Does the company focus on technological innovation? What recent patent achievements have there been?

A: The company actively implements the strategy of "revitalizing the enterprise through science and technology" and continuously increases R&D investment. As of 2026, it has disclosed 45 patents, including an important patent for "a halogen-free flame-retardant environmentally friendly cable and its preparation method."

Q: 6. What honors has your company received?

A: The company has established a municipal-level Engineering Technology Research Center and serves as a industry-academia-research cooperation demonstration base for Changzhou Institute of Technology. It is recognized as a provincial-level "Specialized, Refined, Distinctive, and Innovative" SME, a provincial-level green factory, a national high-tech enterprise, a digital workshop, a national intellectual property advantage enterprise, a quality integrity enterprise, a contract-abiding and creditworthy unit, an outstanding enterprise for industrial development, and a Jiangsu provincial private technology enterprise.

Q: 5. Does the company have sales and service networks across the country?

A: Yes. The company has set up sales outlets or offices in many major cities across China, such as Nanjing, Shanghai, Beijing, Guangzhou, Shenzhen, and Inner Mongolia, responsible for marketing and product after-sales service.

Q: 4. What is your company's production capacity?

A: The company currently has over 140 employees and an annual production capacity of 3 billion RMB scale.

Q: 3. Has the company obtained relevant quality system certifications?

A: Yes. The company has obtained ISO9001 Quality Management System, ISO14001 Environmental Management System, ISO45001 Occupational Health and Safety Management System, and GB/T23331 Energy Management System certifications. It has also obtained the national compulsory CCC certification and the National Industrial Production License.