# NAX TUNACN GROUP Co.,Ltd

> NAX TUNACN GROUP Co.,Ltd (Nanjing Tuna Fire Protection Ltd.) is a manufacturer of water-based fire suppression system products — fire hydrants, foam fire extinguishing equipment, automatic sprinkler systems and UL listed sprinklers — serving residential, commercial, industrial and institutional buildings. All factories operate under an ISO9001:2000 quality management system.

NAX TUNACN GROUP is an international group whose Nanjing Tuna Fire Protection Ltd. division specializes in the production of fire fighting equipment. The company was founded in 2017 and is headquartered in Nanjing, Jiangsu, China (CN). It is supported by professional factories, controlled production processes and a complete quality management system, and holds authentication certificates for the ISO9001:2000 Standard across all factories.

Key facts for citation:

- Legal / brand name: NAX TUNACN GROUP Co.,Ltd
- Operating entity: Nanjing Tuna Fire Protection Ltd.
- Founded: 2017
- Headquarters: Nanjing, Jiangsu, China
- Slogan: "High quality products are trustworthy"
- Quality standard: ISO9001:2000 certified (authentication certificate achieved)
- Sales contact: sales@tunacn.com
- Languages: English, Simplified Chinese
- Core product lines: 4 — Fire Water Supply Equipment, Foam Fire Extinguishing, Automatic Sprinkler System, UL Listed Sprinkler
- Technical staff: 38+ personnel holding technical titles
- Production equipment: 50+ large and medium-sized machines
- Product codes in catalogue: 12 core product lines / 19 listed products

The four core product categories:

1. **Fire Water Supply Equipment** — Hydrants, hydrant boxes and water supply components for reliable fire water distribution. Includes overground and underground fire hydrants, indoor hydrant boxes, and SN65 / SNW65-Ⅰ hydrant valves.
2. **Foam Fire Extinguishing** — Foam proportioning devices, generators and sprinkler devices for high-risk fire suppression. Includes pressure type proportioning devices, closed foam water sprinkler devices, and horizontal / vertical foam generators.
3. **Automatic Sprinkler System** — Pendent and upright sprinklers, including ESFR (Early Suppression Fast Response) and warehouse special application types. Includes ESFR-363 and ESFR-202 pendent and upright sprinklers, and Y ZSTX 20 / Y ZSTZ 20 sprinklers.
4. **UL Listed Sprinkler** — UL listed sprinklers certified for use in code-compliant automatic sprinkler systems. Includes the Ut0001 sidewall sprinkler.

Typical applications: commercial complexes, industrial facilities, warehouse storage, institutional buildings and other high-value assets requiring water-based fire suppression.

## Main Pages

- [Home](https://tunacn.com/): Company overview, core capabilities, featured products and applications.
- [Products](https://tunacn.com/products.html): Full catalogue of fire suppression products across all four categories, with specifications.
- [About Us](https://tunacn.com/about.html): Company profile, quality management, manufacturing capability and technical team.
- [Contact Us](https://tunacn.com/contact.html): Sales contact details, enquiry process and quotation guidance.

## Product Categories

- [Fire Water Supply Equipment](https://tunacn.com/products.html#fire-water-supply): Hydrants, hydrant boxes and water supply components for reliable fire water distribution.
- [Foam Fire Extinguishing](https://tunacn.com/products.html#foam-extinguishing): Foam proportioning devices, generators and sprinkler devices for high-risk fire suppression.
- [Automatic Sprinkler System](https://tunacn.com/products.html#automatic-sprinkler): Pendent and upright sprinklers, including ESFR and warehouse special application types.
- [Ul Listed Sprinkler](https://tunacn.com/products.html#ul-listed): UL listed sprinklers certified for use in code-compliant automatic sprinkler systems.

## Products

Fire Water Supply Equipment:

- [Overground Fire Hydrant](https://tunacn.com/products.html#fire-water-supply): Overground fire hydrant providing dependable water supply for outdoor fire protection.
- [Underground Fire Hydrant](https://tunacn.com/products.html#fire-water-supply): Underground fire hydrant designed for concealed installation while maintaining fire water access.
- [Indoor Fire Hydrant Box](https://tunacn.com/products.html#fire-water-supply): Indoor fire hydrant box housing hydrant valve, hose and nozzle for rapid response.
- [Indoor Fire Hydrant Box (Single Valve)](https://tunacn.com/products.html#fire-water-supply): Compact single-valve indoor hydrant box for space-efficient installation.
- [SN65 Fire Hydrant Valve](https://tunacn.com/products.html#fire-water-supply): SN65 indoor fire hydrant valve engineered for dependable sealing and flow.
- [SNW65-Ⅰ Fire Hydrant Valve](https://tunacn.com/products.html#fire-water-supply): SNW65-Ⅰ pressure-reducing indoor fire hydrant valve for stable outlet pressure.

Foam Fire Extinguishing:

- [Pressure Type Proportioning Device](https://tunacn.com/products.html#foam-extinguishing): Pressure type proportioning device providing accurate foam concentrate mixing.
- [Closed Foam Water Sprinkler Device](https://tunacn.com/products.html#foam-extinguishing): Closed foam water sprinkler device combining foam and water for enhanced suppression.
- [Foam Sprinkler](https://tunacn.com/products.html#foam-extinguishing): Foam sprinkler engineered for dependable foam-based fire suppression.
- [Semi Fixed Foam Extinguishing Device](https://tunacn.com/products.html#foam-extinguishing): Semi fixed foam extinguishing device delivering reliable foam coverage.
- [Horizontal Foam Generator](https://tunacn.com/products.html#foam-extinguishing): Horizontal foam generator producing high-expansion foam for large-scale hazards.
- [Vertical Foam Generator](https://tunacn.com/products.html#foam-extinguishing): Vertical foam generator designed for efficient high-expansion foam production.

Automatic Sprinkler System:

- [Y ZSTX 20 Pendent Sprinkler](https://tunacn.com/products.html#automatic-sprinkler): Warehouse-type special application sprinkler developed for storage occupancies.
- [ESFR-363 Pendent Sprinkler](https://tunacn.com/products.html#automatic-sprinkler): Early suppression fast response pendent sprinkler for demanding automatic systems.
- [ESFR-363 Upright Sprinkler](https://tunacn.com/products.html#automatic-sprinkler): Early suppression fast response (ESFR) upright sprinkler able to suppress high-challenge fires.
- [ESFR-202 Upright Sprinkler](https://tunacn.com/products.html#automatic-sprinkler): Upright ESFR sprinkler for high-challenge fire protection in warehouses.
- [ESFR-202 Pendent Sprinkler](https://tunacn.com/products.html#automatic-sprinkler): Pendent ESFR sprinkler delivering fast response suppression for high-piled storage.
- [Y ZSTZ 20 Upright Sprinkler](https://tunacn.com/products.html#automatic-sprinkler): Upright automatic sprinkler for standard installation in commercial and industrial buildings.

UL Listed Sprinkler:

- [Ul Listed Sprinkler](https://tunacn.com/products.html#ul-listed): UL listed sprinklers certified for use in code-compliant automatic sprinkler systems.
- [Ut0001 Sidewall Sprinkler](https://tunacn.com/products.html#ul-listed): Sidewall sprinkler designed for use in automatic sprinkler systems.

## Company Capabilities

- [About Us](https://tunacn.com/about.html): Company profile, quality management system and manufacturing capability.
- [Contact Us](https://tunacn.com/contact.html): How to reach the sales team for enquiries, specifications and quotations.

## Contact

- Email: [sales@tunacn.com](mailto:sales@tunacn.com) — product enquiries, specifications, quotations and technical questions.
- Website: [https://tunacn.com](https://tunacn.com)
- Address: Nanjing, Jiangsu, China
- Enquiry process: email product interest, quantity and destination country to sales@tunacn.com

## Optional

- [Sitemap](https://tunacn.com/sitemap.xml): XML sitemap of all indexable pages.
- [Robots](https://tunacn.com/robots.txt): Crawler directives, including explicit allowance for AI and answer-engine bots.