LX type single girder suspension crane is a highly efficient and practical lightweight lifting equipment, with lightweight structure design and convenient installation and maintenance characteristics. The crane is mainly composed of main beam and end beam welded by steel plate and I-beam, as well as electric hoist and electric running car and other components. It can be conveniently suspended from the I-beam rail at the upper part of the plant, with a cantilever length of 0.5 to 1 meter. The electric hoist is able to run flexibly along the lower flange of the main beam I-beam, easily accomplishing the lifting task of all kinds of items. This product is widely used in production workshops, warehouses and yards and other places, the lifting tonnage includes 0.5 tons, 1 ton, 2 tons, 3 tons, 5 tons and 10 tons, and the span can be non-standard design according to the user's needs, ranging from 3 to 16 meters. Meanwhile, its working class reaches A3 standard, and it can operate stably under a wide range of ambient temperatures from -25℃ to 40℃.