近几年来,哈尔滨电影机械厂不断更新市场观念,技术上主动创新,想用户所想,有针对性地开发新产品。他们在认真听取解放军、武警部队用户意见的基础上,仔细研究了多年来为部队提供的5 5 0 5B 30 0 0、5 5 1 5 30 0 0型等放映机的使用情况,专门为部队设计了一种在保证综合技术指 In recent years, Harbin Film Machinery Factory constantly updated market concepts, take the initiative to innovate technically, want users to think, targeted development of new products. On the basis of earnestly listening to the opinions of the users of the People’s Liberation Army and Armed Police Forces, they carefully studied the use of projectors such as the 5 5 0 5B 30 0 0, 5 5 1 5 30 0 0 type that were provided to the troops over the years and designed them specifically for the troops A guarantee of comprehensive technical means