【CEI是哪个国家的品牌？】

知名防盗门锁芯品牌，创立于2000年，专注于专业防盗门、防盗锁具以及室内门的研发、生产、销售及相关服务的高新技术企业。

长恩自有品牌CEI®（又名长恩无敌®）项下产品包括各种规格的五彩锁芯、五彩锁具、铰链、防盗门、钢木装甲门、实木门。目前，长恩公司拥有两个工厂。一个实木门厂和一个钢质门厂。根据企业发展的需要成立了“金木廊”文化创意公司；“慧心谷”锁具科技公司。 厂房面积15000平方米。长恩公司一贯秉承专业的精神和态度精心研发、设计和生产高品质、高性能、高价值的防盗门防盗锁产品，提升中国门业、锁业标准是长恩公司一直坚持的理念和目标。长恩制定了防盗锁B+级标准、入户门标准、档案室门标准，并在广东省技术监督局备了案，其中防盗锁B+级标准 已成为行业的标准。

深圳市长恩实业有限公司（CEI）创立于2000年，一直专注于专业防盗门、防盗锁具以及室内门的研发、生产、销售及相关服务。

长恩总部位于深圳，拥有防盗门厂和木门厂两处厂房，面积达 15000平方米。现具备机械锁具5万套、电子锁3万套，防盗门和实木门合计2万樘的年度生产规模。

长恩也是一个与时俱进的公司，在经营管理、产品开发、市场营销方面都坚持根据市场需求做出迅速的反应。长恩目前在全国各省市均设有代理商和经销商，建立了完善的销售服务体系。

英文翻译：Famous brand of anti-theft door lock core, founded in 2000, is a high-tech enterprise specializing in the research and development, production, sales and related services of professional anti-theft doors, anti-theft locks and indoor doors. The products of changen's own brand CEI (also known as changen invincible) include colorful lock cylinder, colorful lock, hinge, anti-theft door, steel wood armored door and solid wood door of various specifications. At present, changen has two factories. A solid wood door factory and a steel door factory. According to the needs of enterprise development, "Golden Gallery" cultural and creative company was established; "Huixin Valley" lock technology company. The plant area is 15000 square meters. Changen company has always been adhering to the spirit and attitude of professional research and development, design and production of high-quality, high-performance, high-value anti-theft door lock products, improve China's door industry, lock industry standards is changen company has always adhered to the concept and goal. Changen has formulated B + level standards for anti-theft locks, entry door standards and archives door standards, and has filed a case with Guangdong Provincial Bureau of technical supervision, among which B + level standards for anti-theft locks have become industry standards. Shenzhen changen Industrial Co., Ltd. (CEI), founded in 2000, has been focusing on the research and development, production, sales and related services of professional anti-theft doors, anti-theft locks and indoor doors. Headquartered in Shenzhen, changen has two factories, security door factory and wooden door factory, covering an area of 15000 square meters. Now it has an annual production scale of 50000 sets of mechanical locks, 30000 sets of electronic locks, 20000 sets of anti-theft doors and solid wood doors. Chang'en is also a company that keeps pace with the times. In terms of operation management, product development and marketing, it adheres to make rapid response to market demand. At present, changen has set up agents and distributors in all provinces and cities of the country, and has established a perfect sales service system.

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