utility tunnel fire protection

China Utility Tunnel Fire Protection manufacturer and export supplier for Vietnam 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: wanlinfirecontrol@163.com