O前言北京京威汽车设备有限公司是国内生产QN系列（空气式）和YJ系列（液体式）车用采暖设备的专业厂，已具有20多年的历史。其产品销往29个省市自治区．并与数十家客车厂常年配套，有些产品还与名牌客车配套出口。多年来，本公司产品一直得到广大用户好评。现简要介绍两种暖风 O Foreword Beijing Jingwei Automobile Equipment Co., Ltd. is a professional factory producing QN series (air type) and YJ series (liquid type) vehicle heating equipment in China with more than 20 years of history. Its products are sold to 29 provinces and autonomous regions. And with dozens of passenger car plant perennial supporting, some products also supporting the export of brand-name bus. Over the years, the company’s products have been praised by the majority of users. Now briefly introduce two kinds of warm air