BIG FIRE SURVEILLANCE TECHNOLOGY LIMITED

Room 1301, Kin Wing Industrial Building, 33 Kin Wing Street, Tuen Mun, Hong Kong

BIG FIRE SURVEILLANCE TECHNOLOGY (SHENZHEN) LIMITED

Room 307, 3/F, Block 1, Huiheng Building, High-tech South 7th Road, Nanshan District, Shenzhen City, Guangdong Province