河南菱工重型机械有限公司主营：单、双梁桥、门式起重机，架桥机、提梁机、升降机，路桥设备的设计、制造、改造、安装、维修、保养、拆卸、运输、租赁及销售；电动葫芦及配件、起重电器。

Henan Linggong Heavy Machinery Co., Ltd. specializes in the design, manufacturing, renovation, installation, maintenance, dismantling, transportation, leasing, and sales of single and double beam bridges, gantry cranes, bridge erecting machines, lifting machines, elevators, and road and bridge equipment; Electric hoist and accessories, lifting appliances.