
A well-known brand of anti-theft door lock cylinder, a well-known trademark in Guangdong Province, a high-tech enterprise focusing on the R&D, production, sales and related services of professional anti-theft doors, anti-theft locks and interior doors
The products under CEI® (also known as Changen Invincible ®) include various specifications of colorful lock cylinders, colorful locks, hinges, anti-theft doors, steel and wood armored doors, and solid wood doors. Win the favor of the market with high-quality products and efficient service commitments. At present, Changen Company has two factories. A solid wood door factory and a steel door factory. Recently, according to the needs of enterprise development, the "Jinmu Corridor" cultural and creative company was established; "Huixin Valley" lock technology company. The plant covers an area of 15,000 square meters. Changen company has always adhered to the professional spirit and attitude of carefully developing, designing and producing high-quality, high-performance, high-value anti-theft door anti-theft lock products, and improving the standards of China's door industry and lock industry is the concept and goal that Changen company has always adhered to. Changen has formulated the standard of class B of anti-theft lock, the standard of entrance door, and the standard of the door of the archives, and filed the case with the Guangdong Provincial Bureau of Technical Supervision, of which the class B standard of anti-theft lock has become the standard of the industry.
Shenzhen Changen Industrial Co., Ltd. (CEI) was founded in 2000 and has been focusing on the R&D, production, sales and related services of professional anti-theft doors, anti-theft locks and interior doors.
Founded in 2000, it has been focusing on the R&D, production, sales and related services of professional anti-theft doors, anti-theft locks and interior doors. Headquartered in Shenzhen, Changen has two factories of security door factory and wooden door factory, covering an area of 15,000 square meters. Now it has an annual production scale of 50,000 sets of mechanical locks, 30,000 sets of electronic locks, and a total of 20,000 anti-theft doors and solid wood doors.
Since 2009, Changen has implemented a plan to transform from a traditional enterprise to a combination of traditional and high-tech. In 2011, the colorful lock cylinder designed with digitalization as the standard was successfully launched, and the digital processing of each part was realized. At the same time, it also designed and produced the first digital automatic key matching machine, which is unique to Changen in China's lock industry so far.
Changen is also a company that keeps pace with the times, and insists on responding quickly according to market demand in terms of management, product development, and marketing. At present, Changen has agents and distributors in all provinces and cities across the country, and has established a perfect sales and service system.