[Tianjin Jinzhong Ji HVAC purification equipment to recommend the star product - duct] spiral duct tape reel is made of metal spiral seam bite tube, circular, no welding, no leakage, watertight, and more for the supply and bulk material handling plant ventilation pipes, instead of the traditional tin tube (ie, hand-sewn bite iron pipe). Duct is a whole mechanism, straight pipe without manual beat. [Tianjin Jinzhong Ji HVAC purification equipment to recommend the star product - duct] 1.2 Terminology (1) inspection lot: according to the same production conditions prescribed manner or aggregated with them for inspection by a certain number of sample test body composition. (2) test: A test project performance measurement, inspection, testing and other pipeline, and the results were compared with the standard requirements to determine whether each of the activities carried out by qualified performance. (3) the transfer of inspection: undertake side by side with the completion of construction and the possibility of both parties to continue construction inspection activities to make confirmation. (4) the master project: construction of safety, health, environmental protection and public interests play a decisive role in the test project. (5) the general project: In addition to the master project inspection items. (6) for sampling: In accordance with the provisions of the sampling plan, randomly from entering the material, components and parts, equipment or construction engineering inspection items in the exhaust pipe, according to the inspection lot extract a certain number of test samples conducted. (7) Duct: metal, non-metal sheet or other material made for ventilation ducts. (8) Duct: using concrete, brick and other masonry materials, ventilation channels are used. (9) Ventilation: air, exhaust, dust, pneumatic conveying and smoke control systems engineering collectively. (10) Air Conditioning Engineering: Air conditioning, air purification and collectively clean air conditioning systems. Applications, northern pipeline, Tianjin Jinzhong Ji pipeline project pipeline (View) provided by the Tianjin Jinzhong Ji HVAC purification equipment. "Fan, outlet, air valve, air duct, air-conditioned terminal, purification products" preferred Tianjin Jinzhong Ji HVAC purification equipment Limited (www.Jzjnt.com), the company is located: Xiqing District, North Industrial Park, North Park outside Central Industrial 19 years, the base to provide customers with the best quality service, Contact: Yang. Welcome to the new and old customers call, letter, visit the guide, business negotiations. The group expect to be your long-term partner!