Product development and testing center has advanced laboratory, according to the international standards ISO/IEC17025:2017 general requirements for the ability of testing and calibration laboratory design, at the same time the introduction of domestic and foreign advanced detection instruments, ruyi big heavy lidle gas pressure transmitter, France chemo temperature and humidity transmitter, precision differential pressure gauge, pressure transmitter, Taiwan, Thailand, tachometer, instrument noise, digital anemometer, schenker Germany technology of dynamic balance, the impeller speed test device, and a series of sophisticated detection equipment and test software, according to GB/T1236-2017 / AMCA210 standard requirements. Center to realize automatic detection and data collection process, to air volume, air pressure, speed, power, noise and impeller speed test, multiple projects, such as for air volume up to 260000 m after/h, impeller diameter Φ 2400 mm fan for precise aerodynamic performance testing, product testing precision meet the design requirements, new product development, product optimization, factory inspection provides a reliable basis, increases the security, reliability, product superiority.