Building 4, Section A,Third Industrial Zone, Tangtou , Shiyan , Baoan District, Shenzhen, Guangdong Shenzhen , Guangdong
Room 1313, Block A, Hoi Luen Industrial Centre, 55 Hoi Yuen Road, Kwun Tong, Kowloon Hong Kong, Guangdong
Workshop 11, 12/F, Yale Ind. Centre, 61-63 Au Pui Wan Str, Shatin