- Rotundity fire damper butterfly valve
- 2017-01-14 01:59
- 1.Rational construction. 2.Light and handy structure. 3.Beautiful appearance. 4.Easy to adjust.
- Rectangle fire damper butterfly valve
- 2017-01-14 01:59
- 1.Rational construction. 2.Light and handy structure. 3.Beautiful appearance. 4.Easy to adjust.
- Sealed off multi leaf valve
- 2017-01-14 01:59
- 1.Rational construction. 2.Light and handy structure. 3.Beautiful appearance. 4.Easy to adjust.
- Hepa filter fan box
- 2016-11-18 09:51
- 1.Power Supply: 220V 50HZ2.Average wind speed: 0.3-0.45m/sFan Filter Unit(FFU) is air cleaning equipment to supplypurifi