Hangzhou Xingda ventilation equipment to undertake all types of tin ventilation engineering, ventilation engineering tin Hangzhou, Shaoxing tin ventilation engineering, fume purification project in Hangzhou, Hangzhou ventilation engineering, installation and design, kitchen hotel fire smoke ventilation engineering production pipeline Jianggan District Hangzhou, 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. Zinc layer should be continuous and as uniform as possible, smooth, dark gray to allow the presence of iron and zinc alloy Jianggan District Hangzhou ventilation pipe production, but does not allow acid back macular exudation layer. Allow local surface diameter of less than 0.5mm zinc leakage spots exist. For connections, contacts and a discharge dizzy desired position, it does not allow the existence of a convex tumor. Adhesion strength of the zinc layer zinc layer should firmly adhere to the plating, there is sufficient adhesion strength in the assembly, transportation process can withstand a collision without peeling or flaking. Hangzhou Xingda ventilation equipment to undertake all types of tin ventilation engineering, ventilation engineering tin Hangzhou, Shaoxing tin ventilation engineering Jianggan District Hangzhou ventilation pipe production, 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 has experienced professional and technical personnel Jianggan District Hangzhou ventilation pipe production, specializing 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. Open 280 ℃ smoke dampers and smoke exhaust fan will be in charge of the smoke, air handling units continue to operate (water valve closed), mechanical makeup air. When the flue gas temperature reaches 280 ℃, located at 280 ℃ on the main pipe exhaust dampers automatically shut down, while close linkage exhaust fan to stop smoke, air handling units linked to close and stop up the wind. Hangzhou ventilation pipe project _ _ Hangzhou Lin'an Xingda ventilation ductwork supplied by Hangzhou Xingda ventilation equipment. Hangzhou Xingda ventilation equipment (www.tz1288.com/shop/index_6525.html) quality of service and products, continue to receive the recognition and trust of new and old customers and the industry. Our company is a certified member of the whole alliance network operators, business alliance customer service icon on the page, you can talk directly with our customer service staff, to our future cooperation happy!