Contact Us Branch United States - UMBRATEK TECHNOLOGY LTD Newark, Delaware, United States. Hong Kong - UMBRATEK TECHNOLOGY CO., LIMITED Tuen Mun, New Territories, Hong Kong, CN. Dongguan - UMBRATEK FACTORY Hengli, Dongguan, Guangdong, China. Headquarters Shenzhen Umbratek Technology Co., Ltd. (深圳市昂霸科技有限公司) Phone: + 86 755 2790 3029 Email: [email protected] Address: 1F-A, Bldg.4A, Tinwe Industrial ParkShenzhen, China. MON-FRI 09:30 AM - 07:30 PM, SAT 10:00 AM - 06:30 PM (UTC-8) Name Email Message Send Message Facebook-f Twitter Youtube Instagram Github