Hangzhou Xingda ventilation equipment to undertake all types of tin ventilation engineering, ventilation engineering Hangzhou tin tin dust ventilation equipment, Shaoxing tin ventilation engineering Baitie ventilation pipe processing, tin-ventilated fume purification project in Hangzhou, Hangzhou ventilation engineering, installation and design, kitchen hotel fire row Smoke engineering, Hangzhou, central air-conditioning duct installation and other train services. The company has experienced professional and technical personnel, specialized in various industrial and mining enterprises, hotels ventilation pipe installation, ventilation ducts schools, hospitals and other ventilation and exhaust gas treatment, waste dust collection of design and installation. Quiet places such as: pharmaceutical, greenhouse gardening, packaging, food, handicrafts, building rooftops and courtyards, catering, vehicle shipyards, offices, railway stations, stadiums, exhibition halls, dance halls, auditoriums, conference rooms, tunnel construction, basement . Ventilation with: Containers rooms, hospitals, waiting rooms mute premises such as: pharmaceutical, greenhouse gardening, packaging, food, handicrafts, building rooftops and courtyards, catering, vehicle shipyards, offices, railway stations, stadiums, exhibition halls, dance halls, auditoriums, conference rooms, tunnel construction, basement. Ventilation with: Containers rooms, hospitals, waiting rooms, schools, waiting rooms, supermarkets supermarket uniform air measures: 1, set a different resistor element in the opening, so that different orifice has a different resistance (ie varying the flow rate coefficient). 2, when the opening area and μ value remains unchanged, can be used to change the draft tube cone duct cross-sectional area, the inner tube static pressure remained unchanged. 3, air hose cross-sectional area and opening μ value unchanged Hangzhou tin ventilation pipes factory, according to the static pressure changes within the tube, changing the aperture area. 4, increasing the air hose off the area, reducing the opening area. Baitie ventilation pipe installation, Jiande tin ventilation, Xingda ventilation engineering company from Hangzhou Xingda ventilation equipment. Hangzhou Xingda ventilation equipment (www.tz1288.com/shop/index_6525.html) strong, credible, in Hangzhou, Zhejiang fan, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving ventilation Xingda innovative ideas will lead into the brilliant and you work for a better future!