underground utility tunnel perfluorohexanone fire extinguishing

China Underground Utility Tunnel Perfluorohexanone Fire Extinguishing manufacturer and export supplier for USA market. Wanlin Fire Protection provides CE/EN15004/ISO 14520 certified perfluorohexanone (FK-5-1-12) clean agent fire suppression systems. Zero ODP, GWP 1, residue-free. Factory direct pricing, OEM/ODM available, global DDP shipping. Inquire: wanlin···