open housing worm drive for Aerial working platform Luoyang Longda Bearing Co., Ltd. is a professional slewing drive since 1999, located in Yiyang bearing industrial park in Luoyang China, Covers ares of 30 acreage, we owns more than 100 staffs and have nearly 60 all kinds bearing manufcturing and testing facilities, LDB company specialized in designing, manufacturing, selling slew drive. LDB product of slewing drive range from 3 inch to 32 inch, which are widely used in PV, CPV, STP, CSP solar tracking systems and construction applications, such as truck cranes, manlifts, turntables, port machinery, modular vehicles, small wind power systems and satellite communications, heavy load transporters, bridge inspection equipment, telescopic working platform, basket rotator requirements, yacht crane, cement mixer, excavator, etc. We can also provide multiple size of slewing drive and slewing berarings, hydraulic motor & DC Motor to match with slewing drives. Products have been exported to all over the world. LDB company owns strong technology, advanced processing equipments, complete testing method and perfect after-sales service. We are willing to cooperate with friends all over the world and build a beautiful and bright future together.open housing worm drive for Aerial working platform website:http://www.ldb-slewdrive.com/ website2:http://www.ldb-slewdrive.net/