Press is a compact structure, versatility press. With a versatile, high production efficiency, the press can be widely used in cutting, punching, blanking, bending, riveting and forming and other processes. By applying strong pressure on the metal blank metal to plastic deformation and fracture process into parts. Large pulley driven by a motor through a mechanical press work triangle belt and clutch drive gear pair after slider-crank mechanism, the slider and punch straight down. Mechanical presses slider up in the forging process is completed, the clutch is automatically disengaged, while automatically crank shaft is turned on, the slider on a nearby dead stop. Construction crane safety supervision and management in order to strengthen the provisions of the construction crane safety supervision and management to prevent and reduce the production of machinery and equipment lifting accidents, protect people's lives and property safety, based on "construction safety regulations "" Special Equipment Safety Supervision Regulations "," safe production license regulations, "lifting equipment, enactment of this provision. The second construction crane rental, installation, removal, use of lifting equipment and supervision and management of the company, the application of this provision. The term construction crane refers to incorporate special equipment catalog lifting equipment installation company in housing construction sites and public works construction site installation, removal, lifting machinery used. Article building department of the State Council of China construction crane rental, installation, removal, use of supervision and management. Local people's governments at or above the county building department for building the administrative area of ??lifting equipment rental, installation, removal, use of supervision and management. Article Rent construction crane rental and use of the unit purchase, leasing, construction crane used should have special equipment manufacturing license, product certification, manufacturing supervision and inspection certificate. Article rental units before construction crane rental for the first time, since the purchase of used construction crane construction crane in front of the unit is first installed, it should support the construction crane special equipment manufacturing license, product certification and manufacturing supervision Inspection Certificate to commercial registration of the unit local governments above the county level building department filing. Article rental unit shall construction crane lease contract signed, clearly lease security responsibilities of both parties, and issue construction crane special equipment manufacturing license, product certification, manufacturing supervision and inspection certificate, registration certificate and a self-test compliance certification submitted to the installation instructions. Lifting equipment installation company, lifting equipment Linyi, Shandong professional relocation provided by Shandong Lu mechanical equipment installation Limited. Shandong Lu Machinery Installation Co., Ltd. (www.sdlzqz.com) strong, credible, in Jinan, Shandong industrial maintenance, installation and other industries has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Shandong Lu lifting and you work into the brilliant, for a better future!