Since the establishment of the factory, the production scale has been continuously expanded, with 520 employees (6 engineers, 15 intermediate technicians and 28 technicians) and an annual production capacity of 16 million sets. The product quality has been steadily improved. In 2006, it passed the ISO9001 quality management system certification, was rated as Masteel industry in 2007, was rated as a quality trustworthy unit in 2008, and was rated as a high-quality product in Hebei Province from 2009 to 2011. With adequate and quality products, will be able to meet the needs of our customers