Hangzhou Xingda ventilation equipment to undertake all types of tin ventilation engineering, Hangzhou tin roof ventilation for 600 non-powered ventilators, ventilation engineering tin Shaoxing, Hangzhou fume purification project, Hangzhou, engineering, installation and design of ventilation, fire smoke hotel kitchen project, Hangzhou central air-conditioning duct installation and other train services. The company is committed to energy-saving kitchen equipment, kitchen ventilation engineering one-stop service, kitchen products are widely used in all types of hotel kitchen ventilation engineering, hotel kitchen ventilation engineering, hotel kitchen project, kitchen ventilation engineering and Western restaurants, cafeteria kitchen ventilation engineering , chain restaurant kitchen works. Sheet metal spiral duct factory sales have different specifications: Thickness 0.5-1.2mm diameter size Φ100-Φ1000 various filter works and the advantages and disadvantages: gravity settling chamber: by gravity to dust particles separated from the gas stream without power roof ventilators price, after the dust stream entering gravity settling chamber, the flow rate of the rapid decline in the state laminar or near laminar flow of movement, in which the hopper dust slowly settling under gravity. Applicable diameter> 50μm. No power roof ventilators price, roof ventilation Arsenal, Gongshu roof ventilation is provided by Hangzhou Xingda ventilation equipment. Hangzhou Xingda ventilation equipment (www.tz1288.com/shop/index_6525.html) is a leader in Hangzhou, fans, ventilation equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum Limits to meet customer needs. Xingda ventilation in leadership with the staff warmly welcome all inquiries negotiations to create a better future Xingda ventilation.