Hydraulic jacks are used in the production a lifting tool. Its structure is simple, easy jack the price, can repair for a variety of occasions. Hydraulic jack into one of the jacks and separate jacks. Which can be as separate jack mechanical jack as backwards use. Jack is a steel of top lift jacks as a working device manufacturers, through the top or bottom bracket claws jacking in the itinerary small light weight lifting equipment. Press structural features can be divided into rack jacks, screw jacks and hydraulic jacks three kinds. Jack is a lifting height is small (less than 1m) of the easiest lifting equipment. It has mechanical and hydraulic two. Mechanical jack screw another rack and two, because the weight from the small, laborious operation jack wholesale, generally used for mechanical maintenance work, in building bridges process does not apply. Compact hydraulic jack structure, smooth, self-locking effect, it is widely used. The disadvantage is the limited lifting height, lifting slow. Xinyu lifting (Figure) | jack manufacturers | Jiangsu Xinyu jack from the Qingyuan Lifting Limited. Qingyuan Xinyu Crane Limited (xyqz0312.1688.com) is specialized in "chain hoists, lever hoist, electric hoist, multi-functional electric hoist, indoor and outdoor lifting machine" of the enterprise, companies adhering to the "integrity management , the intentions of service "concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Zhangsong Song.