北京市天笠源起重机械有限公司，位于北京市通州区，年产起重机500多台，产值过亿元，现有员工330名，工程技术人员30名，专业技术人员100余名，专注于门、桥式起重机及欧式起重机生产，已成为世界领先水平的芬兰科尼起重机在主要的合作企业。

Beijing Amagasa source Crane Co., Ltd. is located in Tongzhou District of Beijing, with an annual output of more than 500 cranes, the output value of the yuan, now There are 330 employees, 30 engineering and technical personnel, more than 100 professional and technical personnel, focused on the door, overhead crane and European play Heavy machine production, has become the world leader in the Finnish Konecranes China's major joint venture.