... . 1.This type of motor is safe and reliable, low noise, characteristics hard, good starting, long life, etc. 2.Motor parameter ... , VDE, CUL, ROHS, SGS, CCC,ISO9001:2008. Feature: A. Low noise level B. Even airflow across width of blower C. Left or ... make sure that each product will conform to the standard level. We also hold training or conference for workers in quality ...