Our company has passed the certification of the quality management system(ISO 9001:2008), environment safety management system(ISO 14001:2004), occupational health and management system(OHSMS) (GB/T28001-2001) and HSE management system(SY/T6276-1997), measurement testing system as well as the standardized good practice verification and steel structure testing center CMA measurement certification. In recent years, the company has ranked among powerful ones in the same industries at home and the users cover over twenty two provinces, cities at home and many countries due to sophisticated talents, excellent management and quality.