进入二十一世纪,随着中国房地产市场的持续升温,极大地推动了楼宇对讲市场的发展,一批知名本土楼宇对讲企业快速兴起,国内市场巨大的发展空间同时也吸引了众多国外知名企业进入。2006年,拥有100多年历史的法国知名企业罗格朗集团与有超过18年楼宇对讲经验的本土优秀企业视得安进行强强联合,成立深圳市视得安罗格朗电子股份有限公司(下文简称视得安罗格 Into the 21st century, with the continuous warming of the real estate market in China, which greatly promoted the development of building intercom market, a number of well-known local building intercom companies to rise rapidly, the huge domestic market development space also attracted many foreign well-known Enterprises enter. In 2006, Legrand Group, a well-known French company with a history of more than 100 years, entered into a powerful alliance with the local outstanding enterprise with more than 18 years of building intercom experience, setting up Shenzhen Vision Angrang Electronics Co., Ltd. Below referred to as depending on Angelo