On August 21, the 7th Smart Security Technology Exchange Training Conference entered the capital Beijing and was grandly held at the Beijing Wuhuan Hotel. This year’s 100 Cities Fair is sponsored by Hanchuang Enterprise, […]
On August 17, the 7th Smart Security Exchange Training Conference, sponsored by Hanchuang Enterprise, entered Qingdao and was held at Crowne Plaza Qingdao Yizhong. From Qingdao and surrounding cities […]