[Tianjin Jinzhong Ji HVAC purification equipment to recommend the star product - Ventilation ducts] use classification in general are: return air duct cleaning system, central air conditioning and ventilation pipes, industrial supply and exhaust ventilation duct, environment protection system for suction and discharge pipes, mine gas drainage pipe, duct and other mine rubberized cloth; shape classification in general are: round, rectangular, spiral, etc; process can be divided into duct flange angle iron flange angle iron pipes, a total of flange plate duct. [Tianjin Jinzhong Ji HVAC purification equipment to recommend the star product - Ventilation ducts] For more complex civil co-flange pipe, at the design stage, the various types of work (HVAC, water supply and drainage, power supply lighting and building professionals ) should first consult a good spatial separation, set the elevation range of each pipe. Under normal circumstances not to go beyond the boundaries of their own regulations. In case of individual pipe sections to be negotiated with the ventilation ducts should be out of bounds to other projects. Total plate flange pipe, Tianjin Jinzhong Ji pipeline project (certified), provided by the Tianjin Tianjin Jinzhong Ji HVAC duct purification equipment. Tianjin Jinzhong Ji HVAC purification equipment Limited (www.Jzjnt.com) is a leader in Tianjin, fans, ventilation equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In the group leadership with the staff warmly welcome all inquiries negotiations to create a better future for the base.