Established in Taiwan and expertise in CCTV industry.

Established in 2000, Serac Digital Technology Co., Ltd., is one of the leading CCTV solution providers in China. Our qualified, aggressive and creative staff designs, manufactures and markets the best-video security systems and equipment for personal and corporate protection.

Newsurway Digital Technology Co. Ltd, a professional leading manufactory in CCIV field. With decades experience, we are walking at the head of development of updated technology and become one of the leading manufacturers.

QOHO Technology Co., Ltd., found on 2005 year, which is a professional factory specialized in developing, manufacturing and marketing on Security Products include CCD Camear(IR Camera, Box Camera, Zoom Camera, Dome Camera, Miniature&Convert Camera), IP Camera, PTZ Camera, CCTV Camera accessories(Lens, UTP Balun, Bracket, housing etc...), Wireless Camera and DVR. Our factory address is located at Bao'an district, shenzhen city, China. And our branch office is in Hongkong.

For over 15 years, we have earned the confidence of our valued customers in providing security technology equipment & service in the USA. HEIVISION and It's parent company: Best Surveillance System as well as its predecessor: Sitailong International Inc has been involved in the research and develpment of digital video technology since 1990's, the digital video surveillance systems developed & integrated by HEIVISON have been widely applied in banks, school, supermarket, office building, residential building etc. The most prominent clients include Asian Bank, First Central Savings Bank, Chinatrust Bank USA, Staten Island College, McDonalds, Burger King, Dunkin Donuts, Subway etc.

Founded in 1989, Chiper Technology has entered its 14th year of operation. We are a leading CCTV maker in Taiwan, thanks to our complete product lineup and system integration abilities. All of our products are equipped with video cameras, a wide variety of controllers, transmission equipment, matrix systems, digital video recording systems, etc. Granted ISO 9001 certification in 1990 and ISO 2000-version certification in 2001, all of our production lines comply with ISO production process standard, which guarantees our products quality.