Shenzhen Sigwhale technology Co., Ltd is a company engaged in keyboard, smart Bluetooth device, access control, video door phone, smart home factory and trading company. The company was established in Jan 2013. Company mainly engaged in keyboard, access control and video door phone products. High-quality products and good service is our mission statement.We provide customers with quality and quantity of various types of products. Trust and reputation first coming from high quality and good service. Competitive price Help customers to make profit. Fast delivery and reasonable warranty to make you feel easy cooperation with us.