Zhejiang Jiahe Door Co., Ltd, one of the large leading enterprises of anti- theft door in the country, combines research, production, selling, and service in one. It founded in the 2001 located in the Xinbi Industrial Zone, Jiyun city, Zhejiang, and covers an area of 30, 000 sqm, with standard modern designed workshop and office building. There are modern production and office equipment and a team of more than 600 employees; among them have more than 200 undergraduate students, technical standard students and technical engineers. The annual production amount of the anti-theft door is more than 200, 000 chambers.