Gravity Henan Province Crane Co. (formerly Xinxiang recorded Army Crane Co., Ltd.) is a domestic and international reputation for excellence, one of the larger crane professional manufacturer. Mainly engaged in single and double girder cranes, gantry cranes, ship cranes, bridge machine, grab, electric hoist, and other lifting equipment manufacturing, sales and installation. Electric hoist crane (Crane) are a kind of lifting machinery, is a for loop, intermittent motion machine. A duty cycle include: Extract from Nanjing to put goods lift gantry crane, and then move to the designated place lower level items, followed by reverse movement, so extract unit returns situ Jinan gantry crane to extract the next device a cycle. Crane hoist according to the classification is divided into single-girder cranes, single girder overhead cranes, double girder cranes, wall line cranes, jib cranes, gantry cranes, gantry crane push. Gravity Henan Province Crane Co. (formerly Xinxiang recorded Army Crane Co., Ltd.) is a domestic and international reputation for excellence, one of the larger crane professional manufacturer. Mainly engaged in single and double girder cranes, gantry cranes, ship cranes, bridge machine, grab, electric hoist, and other lifting equipment manufacturing, sales and installation. 1. Single-girder single main girder gantry crane structure is simple, easy to manufacture and installation of gantry crane, the quality of their small, mostly off-track girder box frame structure. Compared with the double girder gantry crane, the overall stiffness of the weaker. Therefore Hangzhou gantry crane, from the weight when Q≤50t, when the span S≤35m, can this form. Single girder gantry crane doors leg has L and C forms. L-manufacture and installation convenience, the force was better, the smaller their quality, but, lifting leg cargo through space at a relatively small number. C-legs made of sloped or curved shape, aimed at a larger horizontal space, so that the goods passed foot. Zhengzhou lifting gantry crane _ gravity (certified) _ Gantry Crane Co. gravity provided by Henan Province. Gravity Henan Province Crane Co. (www.zlqzj.com.cn) to provide "single and double girder gantry crane, light lifting equipment, lifting accessories, electric hoist." Business, the company has "ArtMia River heavy lift "and other brands. Focus on mechanical processing industries, in Xinxiang have higher visibility. Welcomes inquiries, contact: Hulu Jun.