Step Yang Group Limited is a professional design from the production and sale of security doors, steel entry door ???, large group of fire doors, armored doors, stainless steel doors, interior doors, automatic garage doors, 2.2 billion yuan in fixed assets, Group covers an area of ??450,000 level, more than 6,000 employees, has 11 international advanced production lines and modern door industry, five auto parts production line has an annual 3 million Tang security door production capacity. Positive step in front of the security named after the Chinese famous brand, national free products, China Famous Brand, Chinese large enterprise group competitiveness 500, the most growth of China top 100 private enterprises, the group output value of over 5 billion, total more than 200 million tax group Yuan, for many years to achieve leapfrog development. Door step Yang Jinan Service Center was established in 2006, Jinan step Yang Door service users! Step Yang Jinan Service Centre to "strive to achieve the most satisfied users' service user security door step Yang Jinan integrity sincerity service! * Repair step Yang Yang factory anti-theft door handle * step * step * step Yang Yang original cylinder factory anti-theft lock cylinder C-class upgrades * step * step Yang Yang seal cat alarm Recently the company online, I found that there are counterfeit Company security doors sale, sale on behalf of misuse of company! Further discovery will pursue its legal responsibility!