1, the subject content and scope This standard specifies the fire ball valve product classification, technical requirements, test methods, inspection rules, signs, packaging, transportation, storage....
Extinguishing Powder (DIN EN 615-2009) Extinguishing medium composed of finely divided solid chemical products consisting of one or more principle components which are combined with additives to...
HUIZHOU TENYU FIRE-FIGHTING TECH CO.,LTD. are comprehensive and specialized manufacturing enterprise integrating research and development, production and sales. TENYU TECH has always...
