Shenzhen Huangbeiling specializing in security systems sales, installation and maintenance works for one to access control, network access control, single door access control, access control linkage, fingerprint access control, access control and other bank card access control systems for leading the project, over the years the company adhere "integrity first, quality first, service first" business philosophy, adhering to the "meet the millions of creating" the aim has always been to modern management and quality products, the best service, looking forward to cooperating with you. 1, for the sale of products provide one year repair / exchange service, replacement scope is limited to faulty equipment user occurs under normal use. After the expiration of replacement, maintenance, and replacement of all systems were closed for a fee. 2, the system provides users with a free software upgrade. Free to provide users with new technical information. Professional maintenance access lock, electronic lock, password lock. 3, free for users, access for routine maintenance and repair. A brief description of the access control system: access control system, also known as common channel management control system access control systems are: password access control systems fingerprint card access control system, the palm-type iris biometric access control systems, such as password access control systems due to their own safety and convenience poor weak has been phased out biometric access control system safe, but the high cost. Now that the induction khaki high security best convenience and price has become the most mainstream of the most versatile access control system. Professional maintenance of electronic locks, locks, access control lock, Welcome. The installation of the product provide one year repair / exchange service, replacement device users are limited to failure occur under normal use.