Guangzhou Lansidun Electronic Co., Ltd. is a professional middle-scale manufacturer of all types of videos and audio door phones, integrating the development and production together. Our parent company is Hong Kong Tiancheng Electronics Holdings Ltd. Our main products include color video door phone, audio door phone, intercom for apartment and other surveillance systems. Our company was established in 1994, and we have many years of history in the door phone industry. Located in Guangzhou City, ...   |