NOT KNOWN FACTUAL STATEMENTS ABOUT WENTILATION ENGINEERS

Air sampling to detect release of  nitric acid HNO₃ and caustic soda NaOH throughout loading or storage. Need a new ventilation, air con and HVAC program in Blackburn? SDH can design, put in & sustain the system in your case. With a long time of experience in several industrial and industrial industries, we can easily design and style and put