Hong Kong Office Unit 512, Lakeside 1, No.8 Science Park West Avenue, Hong Kong Science Park, Shatin, N.T., Hong Kong Shenzhen Office Rm. 1301, 13/F, South Bldg., Resources-Tech-Building, No. 1 Songpingshan Road, North Beihuan Avenue, Shenzhen High-Tech Industrial Park, Nanshan District, Shenzhen 518057, China Zhuhai Office Room 2103, JinShi International, No.988, Qianhebei Road, Xiangzhou, Zhuhai 519070, China