BROVISION (HK) LTD. is a professional provider for CCTV total sulotions, a branch office of LT Security Inc in Shenzhen. Our main market is north and South America, Europe, Middle East. In the past 6 years, our main market is in North America and now we launch 6 offices in U.S.A and sales Revenue last year is over 30 Million USD. In China, we have R&D center, Sales office in Shenzhen, Logistic parter in HK, Analog factory parter in Shenzhen, Digital factory parter in Taiwan.