- ZSTDY20 concealed fire sprinkler
- 2017-01-15 02:13
- glass bulb fire sprinkler 1.ISO and CCCF certified2.3/4'3.Brass, chrome plating 4.quick delivery
- fire alarm , fire emergency button , call point
- 2017-01-15 02:12
- fire alarm , fire emergency button , call point is for calling help in case of fire accident.
- Grooved End Butterfly Valve
- 2016-10-22 21:55
- Grooved End Butterfly Valve1)Working temperature: -25*C~120*C2)Applicable medium: Fresh water, sewage, sea water, air, v