Von development ltd was a hong kong based company founded in 1992. As a property development company, von is one of the residential property developers in hong kong. The company is also good in marketing and after-sales services. Our sales and building management team provide comprehensive services to our clients and customers, fulfilling our ambition of meeting every property need that our purchasers may have.In year 1996, von development began its trading department, whose business area covers most of the video door phones and security systems in consumer electronic industry.Such as:Micro-computer-controlled video door phones and security systemsAccess control systemsAutomatic closed circuit TV systemsSwitching power supplyAC/DC adaptorEnergy saving light bulb