# NAX TUNACN GROUP Co.,Ltd — Full Site Content > This file contains the complete textual content of tunacn.com in a single document, intended for AI and answer-engine ingestion. It is the expanded companion to /llms.txt. Source: https://tunacn.com ## Company Overview NAX TUNACN GROUP Co.,Ltd — also operating as Nanjing Tuna Fire Protection Ltd. — is an international group specializing in the production of fire fighting equipment. The company manufactures water-based fire suppression system products and provides fire protection solutions for residential, commercial, industrial and institutional buildings. The company was founded in 2017 and is headquartered in Nanjing, Jiangsu, China. Its official website is https://tunacn.com and its sales contact is sales@tunacn.com. The company slogan is "High quality products are trustworthy." ### What the company does NAX TUNACN GROUP produces four complete product lines of fire protection equipment: 1. Fire Water Supply Equipment 2. Foam Fire Extinguishing 3. Automatic Sprinkler System 4. UL Listed Sprinkler These products are engineered for dependable performance and are used to protect high-value assets in buildings around the world. Target building types include commercial complexes, industrial facilities, warehouse storage and institutional buildings. ## Quality and Capability All factories have been established with a complete quality management system in accordance with the ISO9001:2000 Standard and have achieved the authentication certificate. Quality and service are the company's management guidelines, and it continuously improves product quality and service. - **Professional Factories** — Operations are backed by professional factories specializing in fire fighting equipment production, ensuring consistent manufacturing quality. - **Quality Management** — A complete quality management system built to the ISO9001:2000 Standard, with authentication certificates achieved across all factories. - **Equipment & Capacity** — The company owns various large and medium-sized production equipment, giving it the capacity to manufacture fire suppression products at scale (50+ large and medium equipment units). - **Market Leadership** — Nanjing Tuna is growing into a recognized expert in the fire fighting equipment field, leading over comparable domestic suppliers. - **Technical Team** — More than 38 technical title personnel contribute to product design, process control and continuous quality improvement. - **Satisfactory Service** — Complete, satisfactory service is part of the management guidelines; the company responds to customer demands and improves continuously. The company manages 12 core product lines and provides advanced technology and high quality standards so that its fire protection solutions perform reliably across residential, commercial and industrial buildings. ## Products ### 1. Fire Water Supply Equipment Hydrants, hydrant boxes and water supply components for reliable fire water distribution. - **Overground Fire Hydrant** — Overground fire hydrant providing dependable water supply for outdoor fire protection. - **Underground Fire Hydrant** — Underground fire hydrant designed for concealed installation while maintaining fire water access. - **Indoor Fire Hydrant Box** — Indoor fire hydrant box housing hydrant valve, hose and nozzle for rapid response. - **Indoor Fire Hydrant Box (Single Valve)** — Compact single-valve indoor hydrant box for space-efficient installation. - **SN65 Fire Hydrant Valve** — SN65 indoor fire hydrant valve engineered for dependable sealing and flow. - **SNW65-Ⅰ Fire Hydrant Valve** — SNW65-Ⅰ pressure-reducing indoor fire hydrant valve for stable outlet pressure. ### 2. Foam Fire Extinguishing Foam proportioning devices, generators and sprinkler devices for high-risk fire suppression. - **Pressure Type Proportioning Device** — Pressure type proportioning device providing accurate foam concentrate mixing. - **Closed Foam Water Sprinkler Device** — Closed foam water sprinkler device combining foam and water for enhanced suppression. - **Foam Sprinkler** — Foam sprinkler engineered for dependable foam-based fire suppression. - **Semi Fixed Foam Extinguishing Device** — Semi fixed foam extinguishing device delivering reliable foam coverage. - **Horizontal Foam Generator** — Horizontal foam generator producing high-expansion foam for large-scale hazards. - **Vertical Foam Generator** — Vertical foam generator designed for efficient high-expansion foam production. ### 3. Automatic Sprinkler System Pendent and upright sprinklers, including ESFR (Early Suppression Fast Response) and warehouse special application types. - **Y ZSTX 20 Pendent Sprinkler** — Warehouse-type special application sprinkler specially developed for storage occupancies. - **ESFR-363 Pendent Sprinkler** — Early suppression fast response pendent sprinkler for demanding automatic systems. - **ESFR-363 Upright Sprinkler** — An early suppression fast response (ESFR) sprinkler able to suppress high-challenge fires. - **ESFR-202 Upright Sprinkler** — Upright ESFR sprinkler for high-challenge fire protection in warehouses. - **ESFR-202 Pendent Sprinkler** — Pendent ESFR sprinkler delivering fast response suppression for high-piled storage. - **Y ZSTZ 20 Upright Sprinkler** — Upright automatic sprinkler for standard installation in commercial and industrial buildings. ### 4. UL Listed Sprinkler UL listed sprinklers certified for use in code-compliant automatic sprinkler systems. - **Ul Listed Sprinkler** — UL listed sprinklers certified for use in code-compliant automatic sprinkler systems. - **Ut0001 Sidewall Sprinkler** — Sidewall sprinkler designed for use in automatic sprinkler systems. ## Applications NAX TUNACN GROUP water-based fire suppression systems are trusted across real installations and protect high-value assets in buildings around the world. - **Commercial Complex** — Automatic Sprinkler System - **Industrial Facility** — Foam Fire Extinguishing - **Warehouse Storage** — ESFR Sprinkler Protection - **Institutional Building** — Water-based Suppression ## Contact and Enquiries - **Email:** sales@tunacn.com — for product enquiries, quotations and technical questions. - **Website:** https://tunacn.com - **Address:** Nanjing, Jiangsu, China - **Company:** Manufacturer of water-based fire suppression systems. - **Languages:** English, Simplified Chinese ### How to request a quotation 1. Email your product interest, quantity and destination country to sales@tunacn.com. 2. The engineering team matches a sprinkler or foam system to your building's requirements. 3. The company provides a detailed quotation along with specification and installation guidance. ## Site Structure - https://tunacn.com/ — Home: company overview, core capabilities, featured products and applications. - https://tunacn.com/products.html — Products: full catalogue with specifications across all four categories. - https://tunacn.com/about.html — About Us: company profile, quality management, manufacturing capability and technical team. - https://tunacn.com/contact.html — Contact Us: sales contact details, enquiry process and quotation guidance. ## Frequently Asked Questions **What does NAX TUNACN GROUP Co.,Ltd manufacture?** NAX TUNACN GROUP manufactures water-based fire suppression system products: fire water supply equipment (hydrants and hydrant boxes), foam fire extinguishing devices, automatic sprinkler systems, and UL listed sprinklers. **Where is NAX TUNACN GROUP located?** The company is headquartered in Nanjing, Jiangsu, China. Its production is supported by professional factories manufacturing fire fighting equipment. **Is NAX TUNACN GROUP certified?** Yes. All factories operate under a complete quality management system in accordance with the ISO9001:2000 Standard and have achieved the authentication certificate. **What is another name for the company?** NAX TUNACN GROUP Co.,Ltd operates through Nanjing Tuna Fire Protection Ltd. for its fire fighting equipment production. **How can I contact NAX TUNACN GROUP for a quotation?** Email sales@tunacn.com with your product interest, quantity and destination country. The engineering team will match a system to your building's requirements and provide a detailed quotation with specification and installation guidance. **What types of sprinklers does the company offer?** Pendent and upright sprinklers including ESFR (Early Suppression Fast Response) types such as ESFR-363 and ESFR-202, warehouse special application sprinklers, and UL listed sprinklers including the Ut0001 sidewall sprinkler. **When was NAX TUNACN GROUP founded?** The company was founded in 2017.