IE-LAB founded in August 2013, is a famous IT training brand under Beijing Hongjin Zhicheng Technology Co., Ltd., focusing on CCIE network engineer training as the core business and meanwhile providing clients other services covering networking integration planning, design, solution and technical operation and maintenance. 　　IE-LAB's core facilities include muti-manufaturers and multi-directional CCIEs. It opens CCIE certificate courses in all 6 Cisco branches and Huawei HCIE certificate courses. Since founded, IE-LAB has trained CCIE engineers as high as more than 1100 across the world. IE-LAB has become a leading training brand in the field of network technology. With merging new technologies in recent years, IE-LAB has been introducing top faculties and developing hot courses. At present, its courses cover many professional skills, such as Cisco Route Switching, operator, network security, voice collaboration, video conference, wireless communication, virtualization, storage, internet operation and maintenance expert, information security, data center, red hat system and open compute. Most students in the field of merging technologies are employed in World Top 500 enterprises and internet enterprises. To ensure the best teaching quality, IE-LAB adopts mixing O2O teaching mode, combining offline face-to-face teaching by expert instructors from Beijing Headquarter and online remote live teaching + recorded cloud classroom teaching + field assistant teaching. The teaching way combing online and offline modes offers a solution to ensure high-quality faculties at all regional teaching schools across the country so that any area both abroad and at home will enjoy high-quality course at the same time. Unifying faculties everywhere ensures unified teaching quality.