ZHEJIANG HEJIAN HEAVY INDUSTRY CO., LTD. (ORIGINAL NAME: WENHOU HELI CONSTRUCTION MACHINERY CO., LTD.) was founded in 2001 which is a leading manufacturer of large non-standard lifting machinery and focusing on development, manufacturing, sales, installation and service of lifting and bridge machinery. The headquarter in Aojiang Town, Wenzhou city which locates at east coast of south Zhejiang province, China. The company occupying an area of 106,720 sqm with 42,660 sqm construction areas. The main products have: 1, Gantry crane 2, Bridge construction machinery ( launching gantry, segment lifter, derrick crane etc) 3, Mobile trolley. 4, Travel lift 5, overhead crane 6, Boat transporter 7, Winch and son