目前国的投影机相关厂商已达40 余家,年销售额20亿元人民币,年销量 为5万台左右。市场的病愈发展为企业 带来无限商机,但是由于有些投影机用 户欠缺专业知识水平,厂商和用户、厂 商和厂商之间缺乏交流渠道,特别是缺 乏专业性很强的交流渠道,直接影响到 产品的推广和应用。7月11日,由《微 At present, there are more than 40 projector-related manufacturers in China, with annual sales of RMB 2 billion and annual sales of about 50,000 units. The recovery of the market brings boundless business opportunities to enterprises, but due to the lack of expertise of some projector users, there is a lack of communication channels between manufacturers and users, manufacturers and manufacturers, especially the lack of highly professional communication channels. Product promotion and application. July 11, by Wei