As a professional manufacturer founded in 2005, our products are with our own brand VAVISION. We're currently selling to over 200 regular customers from 30 countries. So our brand VAVISION has a good reputation in the markets. Nowadays, we are expanding our business worldwide. So we also accept OEM orders to produce CCD and CMOS cameras or DVR for all clients all over the world. We believe we can reach a win-win situation with all clients based on our competitive price, excellent quality, prompt delivery and service.

Global Security Technology Co., Ltd is a full-invested subsidiary company of Shenzhen Chitongda Electronic Co., Ltd, which has 12 years' manufacturing experience in security industry. With powerful strength of R&D and marketing, we will concentrate our attention on the market of alarm systems, CCTV camera& Accessory, Car Security Products, digital products and other electronics.

Shenzhen Chitongda Electronic Co., Ltd, established in 1998, is a professional security product manufacturer for 22 years. With the famous brand "Wolf Guard", it has been exporting in a whole world for 22 years. Our main products are smart home alarm system such as GSM alarm system, GSM+WiFi alarm system, WiFi alarm system, accessory and etc. We can also provide OEM/ODM service.

We are a company specializing in manufactuering, designing and selling high quality security product with factory price.

24Hsafe technology Co., Ltd was found on 2005, and since then, has been dedicated to the pursuit of convenience and control for home and business surveillance systems base on internet, wirless signal, and phone. We set out to providereliable security. In 2005 we were the first company to launch an entire security solution. 24Hsafe proven technology platform enables consumers to monitor everything that happens in their homes or businesses, they can keep track of activity on entry doors, windows, liquor and medicine cabinets, safes, drawers, and more. Unlike traditional security systems, 24Hsafe services work wirelessly through asecure GSM network to maintain a dedicated connection that will continue to work for 24+ hours after a power failure. 24Hsafe also offers video Monitoring, home automation, , and Crash & Smash Protection that let consumers enjoy anytime, anywhere access to their property.

ShenZhen Sky Blue Ocean Technology Co., Limited specializes in supplying the latest and innovative electronic products, our customers all over the world for our high-quality, high efficiency, excellent service, in order to standardize quality management, coshine products were manufactured strictly according to ISO 9000: 2000.