北京鑫晨星工程机械技术服务有限公司（www.morningstar.com.cn）是北京博岳恒科技发展有限公司的一员。销售国际和国内先进环保型的挖机属具和装置并且提供以上产品的售后，技术和零件支持。在中国区域是德国 Rokla 公司(www.rockwheel.com)的哈特牌（Hartl Bucket Crusher & Screener）破碎斗及筛分斗独家授权代理商，ROCKWHEEL 牌铣挖头产品的授权经销商。布鲁克曼（BKM）挖机属具授权经销商。恒博岳牌 HBY 型破碎和筛分方箱的授权经销商。

Beijing Morning Star Parts Ltd. (www.morningstar.com.cn) is one company dedicated to the sales , rental and service of international well known and high quality China-made excavator and wheel loader attachments including Hartl bucket crushers from Germany , Hartl bucket screeners from Germany, Rockwheel rotary cutter from Germany, a range of BKM branded quick coupling, ripper, compaction plate, buckets, grapple, grab, pulverizer .We are China exclusive dealer for Hartl ,Rockwheel, BKM attachment and HBY compact crushing box.